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Html Css Javascript Jquery Bootstrap | Create First Web Page With Bootstrap

Build A Modern Responsive Website Using Html Css Bootstrap & Javascript / jQuery

What is Bootstrap?

  • Bootstrap is a free front-end framework for faster and easier web development
  • Bootstrap includes HTML and CSS based design templates for typography, forms, buttons, tables, navigation, modals, image carousels and many other, as well as optional JavaScript plugins
  • Bootstrap also gives you the ability to easily create responsive designs

What is Responsive Web Design?Responsive web design is about creating web sites which automatically adjust themselves to look good on all devices, from small phones to large desktops.

Bootstrap Example

My First Bootstrap Page

Resize this responsive page to see the effect!

Column 1

Lorem ipsum dolor..

Column 2

Lorem ipsum dolor..

Column 3

Lorem ipsum dolor..

Bootstrap Versions

This tutorial follows Bootstrap 3, which was released in 2013. However, we also cover newer versions; Bootstrap 4 (released 2018) and Bootstrap 5 (released 2021).

Bootstrap 5 is the newest version of Bootstrap; with new components, faster stylesheets, more responsiveness etc. It supports the latest, stable releases of all major browsers and platforms. However, Internet Explorer 11 and down is not supported.

The main differences between Bootstrap 5 and Bootstrap 3 & 4, is that Bootstrap 5 has switched to JavaScript instead of jQuery.

Note: Bootstrap 3 and Bootstrap 4 is still supported by the team for critical bugfixes and documentation changes, and it is perfectly safe to continue to use them. However, new features will NOT be added to them.

Build A Modern Responsive Website Using Html Css Bootstrap & Javascript / jQuery
Build A Modern Responsive Website Using Html Css Bootstrap & Javascript / jQuery

Create First Web Page With Bootstrap

1. Add the HTML5 doctype

Bootstrap uses HTML elements and CSS properties that require the HTML5 doctype.

Always include the HTML5 doctype at the beginning of the page, along with the lang attribute and the correct character set:

2. Bootstrap 3 is mobile-first

Bootstrap 3 is designed to be responsive to mobile devices. Mobile-first styles are part of the core framework.

To ensure proper rendering and touch zooming, add the following tag inside the
element:

The

width=device-width

part sets the width of the page to follow the screen-width
of the device (which will vary depending on the device).

The

initial-scale=1

part sets the initial zoom level when the page is first loaded
by the browser.

3. Containers

Bootstrap also requires a containing element to wrap site contents.

There are two container classes to choose from:

  1. The

    .container

    class provides a responsive fixed width container
  2. The

    .container-fluid

    class provides a full width container, spanning the entire width of the viewport

What is Bootstrap?

  • Bootstrap is a free front-end framework for faster and easier web development
  • Bootstrap includes HTML and CSS based design templates for typography, forms, buttons, tables, navigation, modals, image carousels and many other, as well as optional JavaScript plugins
  • Bootstrap also gives you the ability to easily create responsive designs

What is Responsive Web Design?Responsive web design is about creating web sites which automatically adjust themselves to look good on all devices, from small phones to large desktops.

Bootstrap 4 Example

My First Bootstrap Page

Resize this responsive page to see the effect!

Column 1

Lorem ipsum dolor..

Column 2

Lorem ipsum dolor..

Column 3

Lorem ipsum dolor..

Build a Portfolio Website Using HTML5, CSS3, Bootstrap and Jquery
Build a Portfolio Website Using HTML5, CSS3, Bootstrap and Jquery

Two Basic Bootstrap Pages

The following example shows the code for a basic Bootstrap page (with a responsive fixed width container):

Example

<br /> Bootstrap Example<br />

My First Bootstrap Page

This is some text.

The following example shows the code for a basic Bootstrap page (with a full width container):

Example

<br /> Bootstrap Example<br />

My First Bootstrap Page

This is some text.

Introduction

Get started with Bootstrap, the world’s most popular framework for building responsive, mobile-first sites, with jsDelivr and a template starter page.

What is Bootstrap?

  • Bootstrap is a free front-end framework for faster and easier web development
  • Bootstrap includes HTML and CSS based design templates for typography, forms, buttons, tables, navigation, modals, image carousels and many other, as well as optional JavaScript plugins
  • Bootstrap also gives you the ability to easily create responsive designs

What is Responsive Web Design?Responsive web design is about creating web sites which automatically adjust themselves to look good on all devices, from small phones to large desktops.

Bootstrap Example

My First Bootstrap Page

Resize this responsive page to see the effect!

Column 1

Lorem ipsum dolor..

Column 2

Lorem ipsum dolor..

Column 3

Lorem ipsum dolor..

Learn How To Make A Website Using HTML, CSS, BOOTSTRAP And Jquery in 2020 | CORPORATE WEBSITE
Learn How To Make A Website Using HTML, CSS, BOOTSTRAP And Jquery in 2020 | CORPORATE WEBSITE

Create First Web Page With Bootstrap

1. Add the HTML5 doctype

Bootstrap uses HTML elements and CSS properties that require the HTML5 doctype.

Always include the HTML5 doctype at the beginning of the page, along with the lang attribute and the correct character set:

2. Bootstrap 3 is mobile-first

Bootstrap 3 is designed to be responsive to mobile devices. Mobile-first styles are part of the core framework.

To ensure proper rendering and touch zooming, add the following tag inside the
element:

The

width=device-width

part sets the width of the page to follow the screen-width
of the device (which will vary depending on the device).

The

initial-scale=1

part sets the initial zoom level when the page is first loaded
by the browser.

3. Containers

Bootstrap also requires a containing element to wrap site contents.

There are two container classes to choose from:

  1. The

    .container

    class provides a responsive fixed width container
  2. The

    .container-fluid

    class provides a full width container, spanning the entire width of the viewport

Important globals

Bootstrap employs a handful of important global styles and settings that you’ll need to be aware of when using it, all of which are almost exclusively geared towards the normalization of cross browser styles. Let’s dive in.

HTML5 doctype

Bootstrap requires the use of the HTML5 doctype. Without it, you’ll see some funky incomplete styling, but including it shouldn’t cause any considerable hiccups.



...

Responsive meta tag

Bootstrap is developed mobile first, a strategy in which we optimize code for mobile devices first and then scale up components as necessary using CSS media queries. To ensure proper rendering and touch zooming for all devices, add the responsive viewport meta tag to your .

You can see an example of this in action in the starter template.

Box-sizing

For more straightforward sizing in CSS, we switch the global

box-sizing

value from

content-box

to

border-box

. This ensures

padding

does not affect the final computed width of an element, but it can cause problems with some third party software like Google Maps and Google Custom Search Engine.

On the rare occasion you need to override it, use something like the following:


.selector-for-some-widget { box-sizing: content-box; }

With the above snippet, nested elements—including generated content via

::before

and

::after

—will all inherit the specified

box-sizing

for that

.selector-for-some-widget

.

Learn more about box model and sizing at CSS Tricks.

Reboot

For improved cross-browser rendering, we use Reboot to correct inconsistencies across browsers and devices while providing slightly more opinionated resets to common HTML elements.

Complete Responsive Hospital Website Design [ HTML - CSS - JS - JQUERY - BOOTSTRAP ] Step By Step
Complete Responsive Hospital Website Design [ HTML – CSS – JS – JQUERY – BOOTSTRAP ] Step By Step

Bootstrap 4 CDN

If you don’t want to download and host Bootstrap 4 yourself, you can include it from a CDN (Content Delivery Network).

jsDelivr provides CDN support for Bootstrap’s CSS and JavaScript. You must also include jQuery:

jsDelivr:

One advantage of using the Bootstrap 4 CDN:Many users already have downloaded Bootstrap 4 from jsDelivr when visiting another site. As a result, it will be loaded from cache when they visit your site, which leads to faster loading time. Also, most CDN’s will make sure that once a user requests a file from it, it will be served from the server closest to them, which also leads to faster loading time.jQuery and Popper?Bootstrap 4 uses jQuery and Popper.js for JavaScript components (like modals, tooltips, popovers etc). However, if you just use the CSS part of Bootstrap, you don’t need them.

  • Closable alerts
  • Buttons and checkboxes/radio buttons for toggling states
  • Carousel for slides, controls, and indicators
  • Collapse for toggling content
  • Dropdowns (also requires Popper.js for perfect positioning)
  • Modals (open and close)
  • Navbar (for collapsible menus)
  • Tooltips and popovers (also requires Popper.js for perfect positioning)
  • Scrollspy for scroll behavior and navigation updates

jQuery HTML / CSS Methods

The following table lists all the methods used to manipulate the HTML and CSS.

The methods below work for both HTML and XML documents. Exception: the html() method.

Method Description
addClass() Adds one or more class names to selected elements
after() Inserts content after selected elements
append() Inserts content at the end of selected elements
appendTo() Inserts HTML elements at the end of selected elements
attr() Sets or returns attributes/values of selected elements
before() Inserts content before selected elements
clone() Makes a copy of selected elements
css() Sets or returns one or more style properties for selected elements
detach() Removes selected elements (keeps data and events)
empty() Removes all child nodes and content from selected elements
hasClass() Checks if any of the selected elements have a specified class name
height() Sets or returns the height of selected elements
html() Sets or returns the content of selected elements
innerHeight() Returns the height of an element (includes padding, but not border)
innerWidth() Returns the width of an element (includes padding, but not border)
insertAfter() Inserts HTML elements after selected elements
insertBefore() Inserts HTML elements before selected elements
offset() Sets or returns the offset coordinates for selected elements (relative to the document)
offsetParent() Returns the first positioned parent element
outerHeight() Returns the height of an element (includes padding and border)
outerWidth() Returns the width of an element (includes padding and border)
position() Returns the position (relative to the parent element) of an element
prepend() Inserts content at the beginning of selected elements
prependTo() Inserts HTML elements at the beginning of selected elements
prop() Sets or returns properties/values of selected elements
remove() Removes the selected elements (including data and events)
removeAttr() Removes one or more attributes from selected elements
removeClass() Removes one or more classes from selected elements
removeProp() Removes a property set by the prop() method
replaceAll() Replaces selected elements with new HTML elements
replaceWith() Replaces selected elements with new content
scrollLeft() Sets or returns the horizontal scrollbar position of selected elements
scrollTop() Sets or returns the vertical scrollbar position of selected elements
text() Sets or returns the text content of selected elements
toggleClass() Toggles between adding/removing one or more classes from selected elements
unwrap() Removes the parent element of the selected elements
val() Sets or returns the value attribute of the selected elements (for form elements)
width() Sets or returns the width of selected elements
wrap() Wraps HTML element(s) around each selected element
wrapAll() Wraps HTML element(s) around all selected elements
wrapInner() Wraps HTML element(s) around the content of each selected element

Install Bootstrap’s source Sass and JavaScript files via npm, RubyGems, Composer, or Meteor. Package managed installs don’t include documentation or our full build scripts. You can also use any demo from our Examples repo to quickly jumpstart Bootstrap projects.

When you only need to include Bootstrap’s compiled CSS or JS, you can use jsDelivr. See it in action with our simple quick start, or browse the examples to jumpstart your next project. You can also choose to include Popper and our JS separately.

Bootstrap utilizes Sass for a modular and customizable architecture. Import only the components you need, enable global options like gradients and shadows, and write your own CSS with our variables, maps, functions, and mixins.

Bootstrap 5 is evolving with each release to better utilize CSS variables for global theme styles, individual components, and even utilities. We provide dozens of variables for colors, font styles, and more at a :root level for use anywhere. On components and utilities, CSS variables are scoped to the relevant class and can easily be modified.

New in Bootstrap 5, our utilities are now generated by our Utility API. We built it as a feature-packed Sass map that can be quickly and easily customized. It’s never been easier to add, remove, or modify any utility classes. Make utilities responsive, add pseudo-class variants, and give them custom names.

Quickly customize components

Apply any of our included utility classes to our components to customize their appearance, like the navigation example below. There are hundreds of classes available—from positioning and sizing to colors and effects. Mix them with CSS variable overrides for even more control.


Home
Profile
Contact

Use Bootstrap’s utility API to modify any of our included utilities or create your own custom utilities for any project. Import Bootstrap first, then use Sass map functions to modify, add, or remove utilities.

Add toggleable hidden elements, modals and offcanvas menus, popovers and tooltips, and so much more—all without jQuery. Bootstrap’s JavaScript is HTML-first, meaning most plugins are added with data attributes in your HTML. Need more control? Include individual plugins programmatically.

Bootstrap Icons is an open source SVG icon library featuring over 1,800 glyphs, with more added every release. They’re designed to work in any project, whether you use Bootstrap itself or not. Use them as SVGs or icon fonts—both options give you vector scaling and easy customization via CSS.

Take Bootstrap to the next level with premium themes from the official Bootstrap Themes marketplace. Themes are built on Bootstrap as their own extended frameworks, rich with new components and plugins, documentation, and powerful build tools.

Bootstrap Get Started

Complete Responsive Web Service Website Design Using [ HTML / CSS / JS  / JQUERY ] - Step By Step
Complete Responsive Web Service Website Design Using [ HTML / CSS / JS / JQUERY ] – Step By Step

jQuery HTML / CSS Methods

The following table lists all the methods used to manipulate the HTML and CSS.

The methods below work for both HTML and XML documents. Exception: the html() method.

Method Description
addClass() Adds one or more class names to selected elements
after() Inserts content after selected elements
append() Inserts content at the end of selected elements
appendTo() Inserts HTML elements at the end of selected elements
attr() Sets or returns attributes/values of selected elements
before() Inserts content before selected elements
clone() Makes a copy of selected elements
css() Sets or returns one or more style properties for selected elements
detach() Removes selected elements (keeps data and events)
empty() Removes all child nodes and content from selected elements
hasClass() Checks if any of the selected elements have a specified class name
height() Sets or returns the height of selected elements
html() Sets or returns the content of selected elements
innerHeight() Returns the height of an element (includes padding, but not border)
innerWidth() Returns the width of an element (includes padding, but not border)
insertAfter() Inserts HTML elements after selected elements
insertBefore() Inserts HTML elements before selected elements
offset() Sets or returns the offset coordinates for selected elements (relative to the document)
offsetParent() Returns the first positioned parent element
outerHeight() Returns the height of an element (includes padding and border)
outerWidth() Returns the width of an element (includes padding and border)
position() Returns the position (relative to the parent element) of an element
prepend() Inserts content at the beginning of selected elements
prependTo() Inserts HTML elements at the beginning of selected elements
prop() Sets or returns properties/values of selected elements
remove() Removes the selected elements (including data and events)
removeAttr() Removes one or more attributes from selected elements
removeClass() Removes one or more classes from selected elements
removeProp() Removes a property set by the prop() method
replaceAll() Replaces selected elements with new HTML elements
replaceWith() Replaces selected elements with new content
scrollLeft() Sets or returns the horizontal scrollbar position of selected elements
scrollTop() Sets or returns the vertical scrollbar position of selected elements
text() Sets or returns the text content of selected elements
toggleClass() Toggles between adding/removing one or more classes from selected elements
unwrap() Removes the parent element of the selected elements
val() Sets or returns the value attribute of the selected elements (for form elements)
width() Sets or returns the width of selected elements
wrap() Wraps HTML element(s) around each selected element
wrapAll() Wraps HTML element(s) around all selected elements
wrapInner() Wraps HTML element(s) around the content of each selected element

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How to Include Bootstrap JS / JavaScript File in HTML
How to Include Bootstrap JS / JavaScript File in HTML

Description

In this course, you will be learning the mandatory web technologies HTML, CSS, Bootstrap, Javascript & JQuery.

In the HTML section, you will learn about HTML tags, HTML Layout, HTML attributes, HTML elements, HTML Components.

In the CSS section you will learn Types of CSS, CSS selectors, Parent child selectors, Selector’s hierarchy, CSS Box Model, Styling Components with CSS, and Responsive Design, Media Query, Flex Box and Grid System.

In the Bootstrap section, you will learn how you can get components from bootstrap, you will learn about bootstrap classes, and you will learn how you can develop a responsive website with bootstrap

In the Javascript section, you will learn Javascript strings, arrays, functions, loops, Objects, Class, DOM, Events and Events handlers, and you will learn how to develop a web application with javascript consuming a REST API with fetch client.

In the JQuery section you will learn how jQuery differs from javascript, Events and Events Handlers in JQuery, DOM manipulation GET and SET, Adding, Removing, and Empty HTML content on an HTML page, CSS manipulations, JQuery effects, Methods Chaining, noConflict, you will learn to develop a complete users login/registration system with JQuery using Ajax client for REST API request, received data from query string, and finally, you will learn how to make an API request with getJSON($.get, $.post) client, and the jQuery promise $.when().then() client.

Two Basic Bootstrap 4 Pages

The following example shows the code for a basic Bootstrap 4 page (with a responsive fixed width container):

Container Example

<br /> Bootstrap 4 Example<br />

My First Bootstrap Page

This is some text.

The following example shows the code for a basic Bootstrap 4 page (with a full width container):

Container Fluid Example

<br /> Bootstrap 4 Example<br />

My First Bootstrap Page

This is some text.

Complete Responsive Food/Restaurant Website Using HTML/CSS/JQUERY/BOOTSTRAP - Step By Step
Complete Responsive Food/Restaurant Website Using HTML/CSS/JQUERY/BOOTSTRAP – Step By Step

Why Use Bootstrap?

Advantages of Bootstrap:

  • Easy to use: Anybody with just basic knowledge of HTML and CSS can start using Bootstrap
  • Responsive features: Bootstrap’s responsive CSS adjusts to phones, tablets, and desktops
  • Mobile-first approach: In Bootstrap 3, mobile-first styles are part of the core framework
  • Browser compatibility: Bootstrap is compatible with all modern browsers (Chrome, Firefox, Internet Explorer, Edge, Safari, and Opera)

Starter template

Be sure to have your pages set up with the latest design and development standards. That means using an HTML5 doctype and including a viewport meta tag for proper responsive behaviors. Put it all together and your pages should look like this:




<br /> Hello, world!<br />

Hello, world!





That’s all you need for overall page requirements. Visit the Layout docs or our official examples to start laying out your site’s content and components.

Complete CRUD Operations using HTML CSS Bootstrap v5 and JavaScript Local Storage | CRUD Application
Complete CRUD Operations using HTML CSS Bootstrap v5 and JavaScript Local Storage | CRUD Application

Two Basic Bootstrap Pages

The following example shows the code for a basic Bootstrap page (with a responsive fixed width container):

Example

<br /> Bootstrap Example<br />

My First Bootstrap Page

This is some text.

The following example shows the code for a basic Bootstrap page (with a full width container):

Example

<br /> Bootstrap Example<br />

My First Bootstrap Page

This is some text.

Differences between Bootstrap and JQuery UI

Bootstrap: Bootstrap is a framework for front-end web development.it makes web development faster and easier. It contains HTML and CSS based design templates for various responsive front-end designing, as well as optional JavaScript plugins. JQuery UI: JQuery UI is a collection of GUI widgets and themes which is implemented with a JavaScript library. It is used for back-end web designing. Difference between Bootstrap and JQuery UI:

  1. TYPE OF FRAMEWORK: Bootstrap is a framework for front-end developing web applications and web pages. It is provided as a free open source framework to people. It was developed and designed by Bootstrap core team. It is written in HTML, CSS, and JavaScript, Whereas, JQuery UI is an open source framework to design the client-side or do the back-end scripting of HTML. It is also free and easy to use. It was developed and designed by The JQuery team. It is written in JavaScript.
  2. BASED ON IT’S USE: Bootstrap is famous for developing responsive websites and mobile projects. Using Bootstrap you can develop a feature that you can work in with every size of the screen as it provides consistency across all the browsers and different devices, Whereas, JQuery UI is used for the development of an user interface based on HTML to make the websites more responsive on all the browsers. It works on JavaScript library.
  3. BASED ON FUNCTIONS: Bootstrap contains several JavaScript components known as JQuery plugins, Whereas, JQuery UI comes with a library of pre-written functions.
  4. BASED ON APPEARANCE: Bootstrap seems to be very professional even when you use it’s basic templates, Whereas, JQuery UI looks aged and old fashion and gives best appearance in old version browsers.

Based on above explained differences between Bootstrap and JQuery Ui there are some head to head differences between them which are mentioned below:

Bootstrap JQuery UI
Bootstrap is designed and created by core team of Twitter JQuery UI is designed and created by JQuery team.
Bootstrap is used for the good appearance of the website or front-end JQuery UI is aimed to ease the JavaScript-call process i.e. back-end.
Libraries of Bootstrap are written in HTML, CSS & JavaScript. Libraries of JQuery UI are written in JavaScript only.
Bootstrap provides components of JavaScript in the form JQuery plugins. JQuery UI contains a library of several pre-written functions
Bootstrap is mainly used to develop responsive web-pages. JQuery UI contains its own user-interface counterpart.
Bootstrap is less demanded in the market as compared to the JQuery UI. JQuery UI is highly demanded in the market.
Bootstrap is highly oriented towards responsiveness. JQuery UI is less oriented towards responsiveness as compared to Bootstrap
Bootstrap has its own Bootstrap Grid system to develop free-flowing layout. JQuery UI has no grid system.
Bootstrap looks very professional even with its basic template JQuery UI looks old fashioned and not very professional as compared to Bootstrap
Bootstrap is based on CSS3 and looks cool in new browsers JQuery UI is based on UI and looks cool in old browsers.
Bootstrap is developed to be instantly compatible with all sizes of screens. JQuery doesn’t have this ability.

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Last Updated :
21 Feb, 2023

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I am new to bootstrap. I have gone through What is Bootstrap? and http://getbootstrap.com/.

As per my current understanding bootstrap is actually a CSS framework which helps us to achieve responsive design that fits all devices. Which internally means

1) Bootstrap has collection of ready-made CSS files which can apply straightaway to any web app.

2) It provides the modular way where we can structure the CSS files per device and apply it

What i did not get is this

Bootstrap is an HTML, JavaScript framework that you can use as basis for creating web sites or web applications.

What features bootstrap provides in terms of HTML and JavaScript apart from CSS and what is the role of them in responsive designing ?

jQuery HTML / CSS Methods

Bootstrap Versions

This tutorial follows Bootstrap 3, which was released in 2013. However, we also cover newer versions; Bootstrap 4 (released 2018) and Bootstrap 5 (released 2021).

Bootstrap 5 is the newest version of Bootstrap; with new components, faster stylesheets, more responsiveness etc. It supports the latest, stable releases of all major browsers and platforms. However, Internet Explorer 11 and down is not supported.

The main differences between Bootstrap 5 and Bootstrap 3 & 4, is that Bootstrap 5 has switched to JavaScript instead of jQuery.

Note: Bootstrap 3 and Bootstrap 4 is still supported by the team for critical bugfixes and documentation changes, and it is perfectly safe to continue to use them. However, new features will NOT be added to them.

Create A Responsive Grocery Store Website Design Using HTML - CSS - JavaScript || Step By Step
Create A Responsive Grocery Store Website Design Using HTML – CSS – JavaScript || Step By Step

Community

Stay up to date on the development of Bootstrap and reach out to the community with these helpful resources.

  • Follow @getbootstrap on Twitter.
  • Read and subscribe to The Official Bootstrap Blog.
  • Chat with fellow Bootstrappers in IRC. On the

    irc.freenode.net

    server, in the

    ##bootstrap

    channel.
  • Implementation help may be found at Stack Overflow (tagged

    bootstrap-4

    ).
  • Developers should use the keyword

    bootstrap

    on packages which modify or add to the functionality of Bootstrap when distributing through npm or similar delivery mechanisms for maximum discoverability.

You can also follow @getbootstrap on Twitter for the latest gossip and awesome music videos.

Khóa học cung cấp cho học viên là những bạn bắt đầu tìm hiểu về lập trình web muốn có đủ kiến thức và kỹ năng để có thể thực hiện các website tĩnh

Trang bị những kiến thức nền tảng vững chắc về lập trình Web bắt đầu từ HTML đến HTML5, từ CSS đến CSS3 và từ Javascript đến jQuery, để có thể nhúng các xử lý vào các trang HTML, lập trình Web ở mức client-side

Áp dụng Bootstrap framework thiết kế website hiện đại, đẹp mắt, có khả năng tương tác cao, tương thích với mọi trình duyệt và hiển thị trên mọi thiết bị

Cung cấp nguồn kiến thức nền tảng về thiết kế website tĩnh để HV tự tin tham gia các khóa học về xây dựng web động như PHP, Asp.Net và Web Java, Web Python

Với niềm đam mê lập trình theo hướng PHP, mình đã chọn lộ trình học từ HTML5, CSS3 tại Trung Tâm để biết cách làm cho website đẹp theo ý mình. Khóa học rất tốt, cô Nhung giảng dạy rất nhiệt tình. Vì …

Tôi thấy khóa học rất hay và bổ ích, thật sự giúp ích rất nhiều cho tôi trong công việc lập trình web. Đồng thời khóa học đã bổ sung những kiến thức mới và tôi cũng học rất nhiều điều từ kinh nghiệm …

Chỉ với 5 tuần học tại lớp Lập trình web HTML5, CSS3, jQuery, Bootstrap, mình đã biết được thêm nhiều kiến thức mới để thiết kế website sinh động, đẹp mắt. Những kiến thức mà mình nghĩ các bạn tìm …

jQuery HTML / CSS Methods

Instructor

I have been a web/software developer for several years developing websites/web apps and apis. I work with web technologies such as PHP, Laravel, WordPress, Javascript, Vuejs, JQuery, HTML, CSS, Bootstrap, Bulma etc. I use to do some studying here on udemy, so with my experience, it is my pleasure to teach and help in anyway i can. If you are in any of my courses, you can ask me question from any of those web technologies. Hopefully and eventually, i will have courses for all the technologies.

“If you have passion and/or determination, you will always get better, in progress make a way” By Frank Ako.

JavaScript

Bring Bootstrap’s components to life with over a dozen custom jQuery plugins. Easily include them all, or one by one.

Bring Bootstrap’s components to life with over a dozen custom jQuery plugins. Easily include them all, or one by one.

Plugins can be included individually (using Bootstrap’s individual

*.js

files), or all at once (using

bootstrap.js

or the minified

bootstrap.min.js

).

Both

bootstrap.js

and

bootstrap.min.js

contain all plugins in a single file. Include only one.

Some plugins and CSS components depend on other plugins. If you include plugins individually, make sure to check for these dependencies in the docs. Also note that all plugins depend on jQuery (this means jQuery must be included before the plugin files). Consult our

bower.json

to see which versions of jQuery are supported.

You can use all Bootstrap plugins purely through the markup API without writing a single line of JavaScript. This is Bootstrap’s first-class API and should be your first consideration when using a plugin.

That said, in some situations it may be desirable to turn this functionality off. Therefore, we also provide the ability to disable the data attribute API by unbinding all events on the document namespaced with

data-api

. This looks like this:


$(document).off('.data-api')

Alternatively, to target a specific plugin, just include the plugin’s name as a namespace along with the data-api namespace like this:


$(document).off('.alert.data-api')

Don’t use data attributes from multiple plugins on the same element. For example, a button cannot both have a tooltip and toggle a modal. To accomplish this, use a wrapping element.

We also believe you should be able to use all Bootstrap plugins purely through the JavaScript API. All public APIs are single, chainable methods, and return the collection acted upon.


$('.btn.danger').button('toggle').addClass('fat')

All methods should accept an optional options object, a string which targets a particular method, or nothing (which initiates a plugin with default behavior):


$('#myModal').modal() // initialized with defaults $('#myModal').modal({ keyboard: false }) // initialized with no keyboard $('#myModal').modal('show') // initializes and invokes show immediately

Each plugin also exposes its raw constructor on a

Constructor

property:

$.fn.popover.Constructor

. If you’d like to get a particular plugin instance, retrieve it directly from an element:

$('[rel="popover"]').data('popover')

.

You can change the default settings for a plugin by modifying the plugin’s

Constructor.DEFAULTS

object:


$.fn.modal.Constructor.DEFAULTS.keyboard = false // changes default for the modal plugin's `keyboard` option to false

Sometimes it is necessary to use Bootstrap plugins with other UI frameworks. In these circumstances, namespace collisions can occasionally occur. If this happens, you may call

.noConflict

on the plugin you wish to revert the value of.


var bootstrapButton = $.fn.button.noConflict() // return $.fn.button to previously assigned value $.fn.bootstrapBtn = bootstrapButton // give $().bootstrapBtn the Bootstrap functionality

Bootstrap provides custom events for most plugins’ unique actions. Generally, these come in an infinitive and past participle form – where the infinitive (ex.

show

) is triggered at the start of an event, and its past participle form (ex.

shown

) is triggered on the completion of an action.

As of 3.0.0, all Bootstrap events are namespaced.

All infinitive events provide

preventDefault

functionality. This provides the ability to stop the execution of an action before it starts.


$('#myModal').on('show.bs.modal', function (e) { if (!data) return e.preventDefault() // stops modal from being shown })

Tooltips and Popovers use our built-in sanitizer to sanitize options which accept HTML.

The default

whiteList

value is the following:


var ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i var DefaultWhitelist = { // Global attributes allowed on any supplied element below. '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN], a: ['target', 'href', 'title', 'rel'], area: [], b: [], br: [], col: [], code: [], div: [], em: [], hr: [], h1: [], h2: [], h3: [], h4: [], h5: [], h6: [], i: [], img: ['src', 'alt', 'title', 'width', 'height'], li: [], ol: [], p: [], pre: [], s: [], small: [], span: [], sub: [], sup: [], strong: [], u: [], ul: [] }

If you want to add new values to this default

whiteList

you can do the following:


var myDefaultWhiteList = $.fn.tooltip.Constructor.DEFAULTS.whiteList // To allow table elements myDefaultWhiteList.table = [] // To allow td elements and data-option attributes on td elements myDefaultWhiteList.td = ['data-option'] // You can push your custom regex to validate your attributes. // Be careful about your regular expressions being too lax var myCustomRegex = /^data-my-app-[\w-]+/ myDefaultWhiteList['*'].push(myCustomRegex)

If you want to bypass our sanitizer because you prefer to use a dedicated library, for example DOMPurify, you should do the following:


$('#yourTooltip').tooltip({ sanitizeFn: function (content) { return DOMPurify.sanitize(content) } })


document.implementation.createHTMLDocument

In case of browsers that don’t support

document.implementation.createHTMLDocument

, like Internet Explorer 8, the built-in sanitize function returns the HTML as is.

If you want to perform sanitization in this case, please specify

sanitizeFn

and use an external library like DOMPurify.

The version of each of Bootstrap’s jQuery plugins can be accessed via the

VERSION

property of the plugin’s constructor. For example, for the tooltip plugin:


$.fn.tooltip.Constructor.VERSION // => "3.4.1"

Bootstrap’s plugins don’t fall back particularly gracefully when JavaScript is disabled. If you care about the user experience in this case, use to explain the situation (and how to re-enable JavaScript) to your users, and/or add your own custom fallbacks.

Bootstrap does not officially support third-party JavaScript libraries like Prototype or jQuery UI. Despite

.noConflict

and namespaced events, there may be compatibility problems that you need to fix on your own.

For simple transition effects, include

transition.js

once alongside the other JS files. If you’re using the compiled (or minified)

bootstrap.js

, there is no need to include this—it’s already there.

Transition.js is a basic helper for

transitionEnd

events as well as a CSS transition emulator. It’s used by the other plugins to check for CSS transition support and to catch hanging transitions.

Transitions can be globally disabled using the following JavaScript snippet, which must come after

transition.js

(or

bootstrap.js

or

bootstrap.min.js

, as the case may be) has loaded:


$.support.transition = false

Modals are streamlined, but flexible, dialog prompts with the minimum required functionality and smart defaults.

Be sure not to open a modal while another is still visible. Showing more than one modal at a time requires custom code.

Always try to place a modal’s HTML code in a top-level position in your document to avoid other components affecting the modal’s appearance and/or functionality.

There are some caveats regarding using modals on mobile devices. See our browser support docs for details.

Due to how HTML5 defines its semantics, the

autofocus

HTML attribute has no effect in Bootstrap modals. To achieve the same effect, use some custom JavaScript:


$('#myModal').on('shown.bs.modal', function () { $('#myInput').focus() })

A rendered modal with header, body, and set of actions in the footer.

Modal title

One fine body…



Toggle a modal via JavaScript by clicking the button below. It will slide down and fade in from the top of the page.




Modal title
...

Be sure to add

role="dialog"

and

aria-labelledby="..."

, referencing the modal title, to

.modal

, and

role="document"

to the

.modal-dialog

itself.

Additionally, you may give a description of your modal dialog with

aria-describedby

on

.modal

.

Embedding YouTube videos in modals requires additional JavaScript not in Bootstrap to automatically stop playback and more. See this helpful Stack Overflow post for more information.

Modals have two optional sizes, available via modifier classes to be placed on a

.modal-dialog

.



...


...

For modals that simply appear rather than fade in to view, remove the

.fade

class from your modal markup.

...

To take advantage of the Bootstrap grid system within a modal, just nest

.row

s within the

.modal-body

and then use the normal grid system classes.

Modal title
.col-md-4
.col-md-4 .col-md-offset-4
.col-md-3 .col-md-offset-3
.col-md-2 .col-md-offset-4
.col-md-6 .col-md-offset-3
Level 1: .col-sm-9

Level 2: .col-xs-8 .col-sm-6
Level 2: .col-xs-4 .col-sm-6


Have a bunch of buttons that all trigger the same modal, just with slightly different contents? Use

event.relatedTarget

and HTML

data-*

attributes (possibly via jQuery) to vary the contents of the modal depending on which button was clicked. See the Modal Events docs for details on

relatedTarget

,





...more buttons...

New message


$('#exampleModal').on('show.bs.modal', function (event) { var button = $(event.relatedTarget) // Button that triggered the modal var recipient = button.data('whatever') // Extract info from data-* attributes // If necessary, you could initiate an AJAX request here (and then do the updating in a callback). // Update the modal's content. We'll use jQuery here, but you could use a data binding library or other methods instead. var modal = $(this) modal.find('.modal-title').text('New message to ' + recipient) modal.find('.modal-body input').val(recipient) })

The modal plugin toggles your hidden content on demand, via data attributes or JavaScript. It also adds

.modal-open

to the to override default scrolling behavior and generates a

.modal-backdrop

to provide a click area for dismissing shown modals when clicking outside the modal.

Activate a modal without writing JavaScript. Set

data-toggle="modal"

on a controller element, like a button, along with a

data-target="#foo"

or

href="#foo"

to target a specific modal to toggle.



Call a modal with id

myModal

with a single line of JavaScript:


$('#myModal').modal(options)

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to

data-

, as in

data-backdrop=""

.

Name type default description
backdrop boolean or the string true Includes a modal-backdrop element. Alternatively, specify
keyboard boolean true Closes the modal when escape key is pressed
show boolean true Shows the modal when initialized.
remote path false

This option is deprecated since v3.3.0 and has been removed in v4. We recommend instead using client-side templating or a data binding framework, or calling jQuery.load yourself.

If a remote URL is provided, content will be loaded one time via jQuery’s


.modal(options)

Activates your content as a modal. Accepts an optional options

object

.


$('#myModal').modal({ keyboard: false })


.modal('toggle')

Manually toggles a modal. Returns to the caller before the modal has actually been shown or hidden (i.e. before the

shown.bs.modal

or

hidden.bs.modal

event occurs).


$('#myModal').modal('toggle')


.modal('show')

Manually opens a modal. Returns to the caller before the modal has actually been shown (i.e. before the

shown.bs.modal

event occurs).


$('#myModal').modal('show')


.modal('hide')

Manually hides a modal. Returns to the caller before the modal has actually been hidden (i.e. before the

hidden.bs.modal

event occurs).


$('#myModal').modal('hide')


.modal('handleUpdate')

Readjusts the modal’s positioning to counter a scrollbar in case one should appear, which would make the modal jump to the left.

Only needed when the height of the modal changes while it is open.


$('#myModal').modal('handleUpdate')

Bootstrap’s modal class exposes a few events for hooking into modal functionality.

All modal events are fired at the modal itself (i.e. at the ).

Event Type Description
show.bs.modal This event fires immediately when the
shown.bs.modal This event is fired when the modal has been made visible to the user (will wait for CSS transitions to complete). If caused by a click, the clicked element is available as the
hide.bs.modal This event is fired immediately when the
hidden.bs.modal This event is fired when the modal has finished being hidden from the user (will wait for CSS transitions to complete).
loaded.bs.modal This event is fired when the modal has loaded content using the


$('#myModal').on('hidden.bs.modal', function (e) { // do something... })

Add dropdown menus to nearly anything with this simple plugin, including the navbar, tabs, and pills.

Via data attributes or JavaScript, the dropdown plugin toggles hidden content (dropdown menus) by toggling the

.open

class on the parent list item.

On mobile devices, opening a dropdown adds a

.dropdown-backdrop

as a tap area for closing dropdown menus when tapping outside the menu, a requirement for proper iOS support. This means that switching from an open dropdown menu to a different dropdown menu requires an extra tap on mobile.

Note: The

data-toggle="dropdown"

attribute is relied on for closing dropdown menus at an application level, so it’s a good idea to always use it.

Add

data-toggle="dropdown"

to a link or button to toggle a dropdown.

    ...

To keep URLs intact with link buttons, use the

data-target

attribute instead of

href="#"

.

Call the dropdowns via JavaScript:


$('.dropdown-toggle').dropdown()


data-toggle="dropdown"still required

Regardless of whether you call your dropdown via JavaScript or instead use the data-api,

data-toggle="dropdown"

is always required to be present on the dropdown’s trigger element.

None


$().dropdown('toggle')

Toggles the dropdown menu of a given navbar or tabbed navigation.

All dropdown events are fired at the

.dropdown-menu

‘s parent element.

All dropdown events have a

relatedTarget

property, whose value is the toggling anchor element.

Event Type Description
show.bs.dropdown This event fires immediately when the show instance method is called.
shown.bs.dropdown This event is fired when the dropdown has been made visible to the user (will wait for CSS transitions, to complete).
hide.bs.dropdown This event is fired immediately when the hide instance method has been called.
hidden.bs.dropdown This event is fired when the dropdown has finished being hidden from the user (will wait for CSS transitions, to complete).


$('#myDropdown').on('show.bs.dropdown', function () { // do something… })

The ScrollSpy plugin is for automatically updating nav targets based on scroll position. Scroll the area below the navbar and watch the active class change. The dropdown sub items will be highlighted as well.

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Navbar links must have resolvable id targets. For example, a


home


must correspond to something in the DOM like .


:visibletarget elements ignored

Target elements that are not

:visible

according to jQuery will be ignored and their corresponding nav items will never be highlighted.

No matter the implementation method, scrollspy requires the use of

position: relative;

on the element you’re spying on. In most cases this is the . When scrollspying on elements other than the , be sure to have a

height

set and

overflow-y: scroll;

applied.

To easily add scrollspy behavior to your topbar navigation, add

data-spy="scroll"

to the element you want to spy on (most typically this would be the ). Then add the

data-target

attribute with the ID or class of the parent element of any Bootstrap

.nav

component.


body { position: relative; }



...

    ...

...

After adding

position: relative;

in your CSS, call the scrollspy via JavaScript:


$('body').scrollspy({ target: '#navbar-example' })


.scrollspy('refresh')

When using scrollspy in conjunction with adding or removing of elements from the DOM, you’ll need to call the refresh method like so:


$('[data-spy="scroll"]').each(function () { var $spy = $(this).scrollspy('refresh') })

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to

data-

, as in

data-offset=""

.

Name type default description
offset number 10 Pixels to offset from top when calculating position of scroll.
Event Type Description
activate.bs.scrollspy This event fires whenever a new item becomes activated by the scrollspy.


$('#myScrollspy').on('activate.bs.scrollspy', function () { // do something… })

Add quick, dynamic tab functionality to transition through panes of local content, even via dropdown menus. Nested tabs are not supported.

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This plugin extends the tabbed navigation component to add tabbable areas.

Enable tabbable tabs via JavaScript (each tab needs to be activated individually):


$('#myTabs a').click(function (e) { e.preventDefault() $(this).tab('show') })

You can activate individual tabs in several ways:


$('#myTabs a[href="#profile"]').tab('show') // Select tab by name $('#myTabs a:first').tab('show') // Select first tab $('#myTabs a:last').tab('show') // Select last tab $('#myTabs li:eq(2) a').tab('show') // Select third tab (0-indexed)

You can activate a tab or pill navigation without writing any JavaScript by simply specifying

data-toggle="tab"

or

data-toggle="pill"

on an element. Adding the

nav

and

nav-tabs

classes to the tab

ul

will apply the Bootstrap tab styling, while adding the

nav

and

nav-pills

classes will apply pill styling.

To make tabs fade in, add

.fade

to each

.tab-pane

. The first tab pane must also have

.in

to make the initial content visible.

...
...
...
...


$().tab

Activates a tab element and content container. Tab should have either a

data-target

or an

href

targeting a container node in the DOM. In the above examples, the tabs are the s with

data-toggle="tab"

attributes.


.tab('show')

Selects the given tab and shows its associated content. Any other tab that was previously selected becomes unselected and its associated content is hidden. Returns to the caller before the tab pane has actually been shown (i.e. before the

shown.bs.tab

event occurs).


$('#someTab').tab('show')

When showing a new tab, the events fire in the following order:


hide.bs.tab(on the current active tab)


show.bs.tab(on the to-be-shown tab)


hidden.bs.tab(on the previous active tab, the same one as for the


hide.bs.tabevent)


shown.bs.tab(on the newly-active just-shown tab, the same one as for the


show.bs.tabevent)

If no tab was already active, then the

hide.bs.tab

and

hidden.bs.tab

events will not be fired.

Event Type Description
show.bs.tab This event fires on tab show, but before the new tab has been shown. Use
shown.bs.tab This event fires on tab show after a tab has been shown. Use
hide.bs.tab This event fires when a new tab is to be shown (and thus the previous active tab is to be hidden). Use
hidden.bs.tab This event fires after a new tab is shown (and thus the previous active tab is hidden). Use


$('a[data-toggle="tab"]').on('shown.bs.tab', function (e) { e.target // newly activated tab e.relatedTarget // previous active tab })

Inspired by the excellent jQuery.tipsy plugin written by Jason Frame; Tooltips are an updated version, which don’t rely on images, use CSS3 for animations, and data-attributes for local title storage.

Tooltips with zero-length titles are never displayed.

Hover over the links below to see tooltips:

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Four options are available: top, right, bottom, and left aligned.






For performance reasons, the Tooltip and Popover data-apis are opt-in, meaning you must initialize them yourself.

One way to initialize all tooltips on a page would be to select them by their

data-toggle

attribute:


$(function () { $('[data-toggle="tooltip"]').tooltip() })

The tooltip plugin generates content and markup on demand, and by default places tooltips after their trigger element.

Trigger the tooltip via JavaScript:


$('#example').tooltip(options)

The required markup for a tooltip is only a

data

attribute and

title

on the HTML element you wish to have a tooltip. The generated markup of a tooltip is rather simple, though it does require a position (by default, set to

top

by the plugin).




Hover over me

Some tooltip text!

Sometimes you want to add a tooltip to a hyperlink that wraps multiple lines. The default behavior of the tooltip plugin is to center it horizontally and vertically. Add

white-space: nowrap;

to your anchors to avoid this.

When using tooltips on elements within a

.btn-group

or an

.input-group

, or on table-related elements (, , , , , ), you’ll have to specify the option

container: 'body'

(documented below) to avoid unwanted side effects (such as the element growing wider and/or losing its rounded corners when the tooltip is triggered).

For users navigating with a keyboard, and in particular users of assistive technologies, you should only add tooltips to keyboard-focusable elements such as links, form controls, or any arbitrary element with a

tabindex="0"

attribute.

To add a tooltip to a

disabled

or

.disabled

element, put the element inside of a and apply the tooltip to that instead.

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to

data-

, as in

data-animation=""

.

Note that for security reasons the

sanitize

,

sanitizeFn

and

whiteList

options cannot be supplied using data attributes.

Name Type Default Description
animation boolean true Apply a CSS fade transition to the tooltip
container string | false false

Appends the tooltip to a specific element. Example:

delay number | object

Delay showing and hiding the tooltip (ms) – does not apply to manual trigger type

If a number is supplied, delay is applied to both hide/show

Object structure is:

html boolean false Insert HTML into the tooltip. If false, jQuery’s
placement string | function ‘top’

How to position the tooltip – top | bottom | left | right | auto.

When a function is used to determine the placement, it is called with the tooltip DOM node as its first argument and the triggering element DOM node as its second. The

selector string false If a selector is provided, tooltip objects will be delegated to the specified targets. In practice, this is used to also apply tooltips to dynamically added DOM elements (
template string

Base HTML to use when creating the tooltip.

The tooltip’s

The outermost wrapper element should have the

title string | function

Default title value if

If a function is given, it will be called with its

trigger string ‘hover focus’ How tooltip is triggered – click | hover | focus | manual. You may pass multiple triggers; separate them with a space.
viewport string | object | function { selector: ‘body’, padding: 0 }

Keeps the tooltip within the bounds of this element. Example:

If a function is given, it is called with the triggering element DOM node as its only argument. The

sanitize boolean true Enable or disable the sanitization. If activated
whiteList object Default value Object which contains allowed attributes and tags
sanitizeFn null | function null Here you can supply your own sanitize function. This can be useful if you prefer to use a dedicated library to perform sanitization.

Options for individual tooltips can alternatively be specified through the use of data attributes, as explained above.


$().tooltip(options)

Attaches a tooltip handler to an element collection.


.tooltip('show')

Reveals an element’s tooltip. Returns to the caller before the tooltip has actually been shown (i.e. before the

shown.bs.tooltip

event occurs). This is considered a “manual” triggering of the tooltip. Tooltips with zero-length titles are never displayed.


$('#element').tooltip('show')


.tooltip('hide')

Hides an element’s tooltip. Returns to the caller before the tooltip has actually been hidden (i.e. before the

hidden.bs.tooltip

event occurs). This is considered a “manual” triggering of the tooltip.


$('#element').tooltip('hide')


.tooltip('toggle')

Toggles an element’s tooltip. Returns to the caller before the tooltip has actually been shown or hidden (i.e. before the

shown.bs.tooltip

or

hidden.bs.tooltip

event occurs). This is considered a “manual” triggering of the tooltip.


$('#element').tooltip('toggle')


.tooltip('destroy')

Hides and destroys an element’s tooltip. Tooltips that use delegation (which are created using the

selector

option) cannot be individually destroyed on descendant trigger elements.


$('#element').tooltip('destroy')

Event Type Description
show.bs.tooltip This event fires immediately when the
shown.bs.tooltip This event is fired when the tooltip has been made visible to the user (will wait for CSS transitions to complete).
hide.bs.tooltip This event is fired immediately when the
hidden.bs.tooltip This event is fired when the tooltip has finished being hidden from the user (will wait for CSS transitions to complete).
inserted.bs.tooltip This event is fired after the


$('#myTooltip').on('hidden.bs.tooltip', function () { // do something… })

Add small overlays of content, like those on the iPad, to any element for housing secondary information.

Popovers whose both title and content are zero-length are never displayed.

Popovers require the tooltip plugin to be included in your version of Bootstrap.

For performance reasons, the Tooltip and Popover data-apis are opt-in, meaning you must initialize them yourself.

One way to initialize all popovers on a page would be to select them by their

data-toggle

attribute:


$(function () { $('[data-toggle="popover"]').popover() })

When using popovers on elements within a

.btn-group

or an

.input-group

, or on table-related elements (, , , , , ), you’ll have to specify the option

container: 'body'

(documented below) to avoid unwanted side effects (such as the element growing wider and/or losing its rounded corners when the popover is triggered).

To add a popover to a

disabled

or

.disabled

element, put the element inside of a and apply the popover to that instead.

Sometimes you want to add a popover to a hyperlink that wraps multiple lines. The default behavior of the popover plugin is to center it horizontally and vertically. Add

white-space: nowrap;

to your anchors to avoid this.

Four options are available: top, right, bottom, and left aligned.

Sed posuere consectetur est at lobortis. Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum.

Sed posuere consectetur est at lobortis. Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum.

Sed posuere consectetur est at lobortis. Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum.

Sed posuere consectetur est at lobortis. Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum.








Use the

focus

trigger to dismiss popovers on the next click that the user makes.

For proper cross-browser and cross-platform behavior, you must use the tag, not the tag, and you also must include the

role="button"

and

tabindex

attributes.



Dismissible popover

Enable popovers via JavaScript:


$('#example').popover(options)

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to

data-

, as in

data-animation=""

.

Note that for security reasons the

sanitize

,

sanitizeFn

and

whiteList

options cannot be supplied using data attributes.

Name Type Default Description
animation boolean true Apply a CSS fade transition to the popover
container string | false false

Appends the popover to a specific element. Example:

content string | function

Default content value if

If a function is given, it will be called with its

delay number | object

Delay showing and hiding the popover (ms) – does not apply to manual trigger type

If a number is supplied, delay is applied to both hide/show

Object structure is:

html boolean false Insert HTML into the popover. If false, jQuery’s
placement string | function ‘right’

How to position the popover – top | bottom | left | right | auto.

When a function is used to determine the placement, it is called with the popover DOM node as its first argument and the triggering element DOM node as its second. The

selector string false If a selector is provided, popover objects will be delegated to the specified targets. In practice, this is used to enable dynamic HTML content to have popovers added. See this and an informative example.
template string

Base HTML to use when creating the popover.

The popover’s

The popover’s

The outermost wrapper element should have the

title string | function

Default title value if

If a function is given, it will be called with its

trigger string ‘click’ How popover is triggered – click | hover | focus | manual. You may pass multiple triggers; separate them with a space.
viewport string | object | function { selector: ‘body’, padding: 0 }

Keeps the popover within the bounds of this element. Example:

If a function is given, it is called with the triggering element DOM node as its only argument. The

sanitize boolean true Enable or disable the sanitization. If activated
whiteList object Default value Object which contains allowed attributes and tags
sanitizeFn null | function null Here you can supply your own sanitize function. This can be useful if you prefer to use a dedicated library to perform sanitization.

Options for individual popovers can alternatively be specified through the use of data attributes, as explained above.


$().popover(options)

Initializes popovers for an element collection.


.popover('show')

Reveals an element’s popover. Returns to the caller before the popover has actually been shown (i.e. before the

shown.bs.popover

event occurs). This is considered a “manual” triggering of the popover. Popovers whose both title and content are zero-length are never displayed.


$('#element').popover('show')


.popover('hide')

Hides an element’s popover. Returns to the caller before the popover has actually been hidden (i.e. before the

hidden.bs.popover

event occurs). This is considered a “manual” triggering of the popover.


$('#element').popover('hide')


.popover('toggle')

Toggles an element’s popover. Returns to the caller before the popover has actually been shown or hidden (i.e. before the

shown.bs.popover

or

hidden.bs.popover

event occurs). This is considered a “manual” triggering of the popover.


$('#element').popover('toggle')


.popover('destroy')

Hides and destroys an element’s popover. Popovers that use delegation (which are created using the

selector

option) cannot be individually destroyed on descendant trigger elements.


$('#element').popover('destroy')

Event Type Description
show.bs.popover This event fires immediately when the
shown.bs.popover This event is fired when the popover has been made visible to the user (will wait for CSS transitions to complete).
hide.bs.popover This event is fired immediately when the
hidden.bs.popover This event is fired when the popover has finished being hidden from the user (will wait for CSS transitions to complete).
inserted.bs.popover This event is fired after the


$('#myPopover').on('hidden.bs.popover', function () { // do something… })

Add dismiss functionality to all alert messages with this plugin.

When using a

.close

button, it must be the first child of the

.alert-dismissible

and no text content may come before it in the markup.

Change this and that and try again. Duis mollis, est non commodo luctus, nisi erat porttitor ligula, eget lacinia odio sem nec elit. Cras mattis consectetur purus sit amet fermentum.

Just add

data-dismiss="alert"

to your close button to automatically give an alert close functionality. Closing an alert removes it from the DOM.

To have your alerts use animation when closing, make sure they have the

.fade

and

.in

classes already applied to them.


$().alert()

Makes an alert listen for click events on descendant elements which have the

data-dismiss="alert"

attribute. (Not necessary when using the data-api’s auto-initialization.)


$().alert('close')

Closes an alert by removing it from the DOM. If the

.fade

and

.in

classes are present on the element, the alert will fade out before it is removed.

Bootstrap’s alert plugin exposes a few events for hooking into alert functionality.

Event Type Description
close.bs.alert This event fires immediately when the
closed.bs.alert This event is fired when the alert has been closed (will wait for CSS transitions to complete).


$('#myAlert').on('closed.bs.alert', function () { // do something… })

Do more with buttons. Control button states or create groups of buttons for more components like toolbars.

Add

data-loading-text="Loading..."

to use a loading state on a button.

This feature is deprecated since v3.3.5 and has been removed in v4.




Add

data-toggle="button"

to activate toggling on a single button.



Add

data-toggle="buttons"

to a

.btn-group

containing checkbox or radio inputs to enable toggling in their respective styles.






$().button('toggle')

Toggles push state. Gives the button the appearance that it has been activated.


$().button('reset')

Resets button state – swaps text to original text. This method is asynchronous and returns before the resetting has actually completed.


$().button(string)

Swaps text to any data defined text state.




Flexible plugin that utilizes a handful of classes for easy toggle behavior.

Collapse requires the transitions plugin to be included in your version of Bootstrap.

Click the buttons below to show and hide another element via class changes:


.collapsehides content


.collapsingis applied during transitions


.collapse.inshows content

You can use a link with the

href

attribute, or a button with the

data-target

attribute. In both cases, the

data-toggle="collapse"

is required.



Link with href

...

Extend the default collapse behavior to create an accordion with the panel component.

Collapsible Group Item #1
Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
Collapsible Group Item #2
Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
Collapsible Group Item #3
Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.

It’s also possible to swap out

.panel-body

s with

.list-group

s.

Be sure to add

aria-expanded

to the control element. This attribute explicitly defines the current state of the collapsible element to screen readers and similar assistive technologies. If the collapsible element is closed by default, it should have a value of

aria-expanded="false"

. If you’ve set the collapsible element to be open by default using the

in

class, set

aria-expanded="true"

on the control instead. The plugin will automatically toggle this attribute based on whether or not the collapsible element has been opened or closed.

Additionally, if your control element is targeting a single collapsible element – i.e. the

data-target

attribute is pointing to an

id

selector – you may add an additional

aria-controls

attribute to the control element, containing the

id

of the collapsible element. Modern screen readers and similar assistive technologies make use of this attribute to provide users with additional shortcuts to navigate directly to the collapsible element itself.

The collapse plugin utilizes a few classes to handle the heavy lifting:


.collapsehides the content


.collapse.inshows the content


.collapsingis added when the transition starts, and removed when it finishes

These classes can be found in

component-animations.less

.

Just add

data-toggle="collapse"

and a

data-target

to the element to automatically assign control of a collapsible element. The

data-target

attribute accepts a CSS selector to apply the collapse to. Be sure to add the class

collapse

to the collapsible element. If you’d like it to default open, add the additional class

in

.

To add accordion-like group management to a collapsible control, add the data attribute

data-parent="#selector"

. Refer to the demo to see this in action.

Enable manually with:


$('.collapse').collapse()

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to

data-

, as in

data-parent=""

.

Name type default description
parent selector false If a selector is provided, then all collapsible elements under the specified parent will be closed when this collapsible item is shown. (similar to traditional accordion behavior – this is dependent on the
toggle boolean true Toggles the collapsible element on invocation


.collapse(options)

Activates your content as a collapsible element. Accepts an optional options

object

.


$('#myCollapsible').collapse({ toggle: false })


.collapse('toggle')

Toggles a collapsible element to shown or hidden. Returns to the caller before the collapsible element has actually been shown or hidden (i.e. before the

shown.bs.collapse

or

hidden.bs.collapse

event occurs).


.collapse('show')

Shows a collapsible element. Returns to the caller before the collapsible element has actually been shown (i.e. before the

shown.bs.collapse

event occurs).


.collapse('hide')

Hides a collapsible element. Returns to the caller before the collapsible element has actually been hidden (i.e. before the

hidden.bs.collapse

event occurs).

Bootstrap’s collapse class exposes a few events for hooking into collapse functionality.

Event Type Description
show.bs.collapse This event fires immediately when the
shown.bs.collapse This event is fired when a collapse element has been made visible to the user (will wait for CSS transitions to complete).
hide.bs.collapse This event is fired immediately when the
hidden.bs.collapse This event is fired when a collapse element has been hidden from the user (will wait for CSS transitions to complete).


$('#myCollapsible').on('hidden.bs.collapse', function () { // do something… })

A slideshow component for cycling through elements, like a carousel. Nested carousels are not supported.


...
...

...




Previous




Next

The carousel component is generally not compliant with accessibility standards. If you need to be compliant, please consider other options for presenting your content.

Bootstrap exclusively uses CSS3 for its animations, but Internet Explorer 8 & 9 don’t support the necessary CSS properties. Thus, there are no slide transition animations when using these browsers. We have intentionally decided not to include jQuery-based fallbacks for the transitions.

The

.active

class needs to be added to one of the slides. Otherwise, the carousel will not be visible.

The

.glyphicon .glyphicon-chevron-left

and

.glyphicon .glyphicon-chevron-right

classes are not necessarily needed for the controls. Bootstrap provides

.icon-prev

and

.icon-next

as plain unicode alternatives.

Add captions to your slides easily with the

.carousel-caption

element within any

.item

. Place just about any optional HTML within there and it will be automatically aligned and formatted.

...

...

Carousels require the use of an

id

on the outermost container (the

.carousel

) for carousel controls to function properly. When adding multiple carousels, or when changing a carousel’s

id

, be sure to update the relevant controls.

Use data attributes to easily control the position of the carousel.

data-slide

accepts the keywords

prev

or

next

, which alters the slide position relative to its current position. Alternatively, use

data-slide-to

to pass a raw slide index to the carousel

data-slide-to="2"

, which shifts the slide position to a particular index beginning with .

The

data-ride="carousel"

attribute is used to mark a carousel as animating starting at page load. It cannot be used in combination with (redundant and unnecessary) explicit JavaScript initialization of the same carousel.

Call carousel manually with:


$('.carousel').carousel()

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to

data-

, as in

data-interval=""

.

Name type default description
interval number 5000 The amount of time to delay between automatically cycling an item. If false, carousel will not automatically cycle.
pause string | null “hover” If set to
wrap boolean true Whether the carousel should cycle continuously or have hard stops.
keyboard boolean true Whether the carousel should react to keyboard events.


.carousel(options)

Initializes the carousel with an optional options

object

and starts cycling through items.


$('.carousel').carousel({ interval: 2000 })


.carousel('cycle')

Cycles through the carousel items from left to right.


.carousel('pause')

Stops the carousel from cycling through items.


.carousel(number)

Cycles the carousel to a particular frame (0 based, similar to an array).


.carousel('prev')

Cycles to the previous item.


.carousel('next')

Cycles to the next item.

Bootstrap’s carousel class exposes two events for hooking into carousel functionality.

Both events have the following additional properties:


direction: The direction in which the carousel is sliding (either


"left"or


"right").


relatedTarget: The DOM element that is being slid into place as the active item.

All carousel events are fired at the carousel itself (i.e. at the ).

Event Type Description
slide.bs.carousel This event fires immediately when the
slid.bs.carousel This event is fired when the carousel has completed its slide transition.


$('#myCarousel').on('slide.bs.carousel', function () { // do something… })

The affix plugin toggles

position: fixed;

on and off, emulating the effect found with

position: sticky;

. The subnavigation on the right is a live demo of the affix plugin.

Use the affix plugin via data attributes or manually with your own JavaScript. In both situations, you must provide CSS for the positioning and width of your affixed content.

Note: Do not use the affix plugin on an element contained in a relatively positioned element, such as a pulled or pushed column, due to a Safari rendering bug.

The affix plugin toggles between three classes, each representing a particular state:

.affix

,

.affix-top

, and

.affix-bottom

. You must provide the styles, with the exception of

position: fixed;

on

.affix

, for these classes yourself (independent of this plugin) to handle the actual positions.

Here’s how the affix plugin works:


.affix-topto indicate the element is in its top-most position. At this point no CSS positioning is required.


.affixreplaces


.affix-topand sets


position: fixed;(provided by Bootstrap's CSS).


.affixwith


.affix-bottom. Since offsets are optional, setting one requires you to set the appropriate CSS. In this case, add


position: absolute;when necessary. The plugin uses the data attribute or JavaScript option to determine where to position the element from there.

Follow the above steps to set your CSS for either of the usage options below.

To easily add affix behavior to any element, just add

data-spy="affix"

to the element you want to spy on. Use offsets to define when to toggle the pinning of an element.

...

Call the affix plugin via JavaScript:


$('#myAffix').affix({ offset: { top: 100, bottom: function () { return (this.bottom = $('.footer').outerHeight(true)) } } })

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to

data-

, as in

data-offset-top="200"

.

Name type default description
offset number | function | object 10 Pixels to offset from screen when calculating position of scroll. If a single number is provided, the offset will be applied in both top and bottom directions. To provide a unique, bottom and top offset just provide an object
target selector | node | jQuery element the Specifies the target element of the affix.


.affix(options)

Activates your content as affixed content. Accepts an optional options

object

.


$('#myAffix').affix({ offset: 15 })


.affix('checkPosition')

Recalculates the state of the affix based on the dimensions, position, and scroll position of the relevant elements. The

.affix

,

.affix-top

, and

.affix-bottom

classes are added to or removed from the affixed content according to the new state. This method needs to be called whenever the dimensions of the affixed content or the target element are changed, to ensure correct positioning of the affixed content.


$('#myAffix').affix('checkPosition')

Bootstrap’s affix plugin exposes a few events for hooking into affix functionality.

Event Type Description
affix.bs.affix This event fires immediately before the element has been affixed.
affixed.bs.affix This event is fired after the element has been affixed.
affix-top.bs.affix This event fires immediately before the element has been affixed-top.
affixed-top.bs.affix This event is fired after the element has been affixed-top.
affix-bottom.bs.affix This event fires immediately before the element has been affixed-bottom.
affixed-bottom.bs.affix This event is fired after the element has been affixed-bottom.
  • Updated

    Nov 11, 2020
  • HTML
How To Make Ecommerce Website Using HTML And CSS Step By Step | Complete Responsive Design
How To Make Ecommerce Website Using HTML And CSS Step By Step | Complete Responsive Design

Bootstrap Versions

This tutorial follows Bootstrap 4, which was released in 2018, as an upgrade to Bootstrap 3, with new components, faster stylesheetc, more responsiveness, etc.

Bootstrap 5 (released 2021) is the newest version of Bootstrap; It supports the latest, stable releases of all major browsers and platforms. However, Internet Explorer 11 and down is not supported.

The main differences between Bootstrap 5 and Bootstrap 3 & 4, is that Bootstrap 5 has switched to JavaScript instead of jQuery.

Note: Bootstrap 3 and Bootstrap 4 is still supported by the team for critical bugfixes and documentation changes, and it is perfectly safe to continue to use them. However, new features will NOT be added to them.

Why Use Bootstrap?

Advantages of Bootstrap:

  • Easy to use: Anybody with just basic knowledge of HTML and CSS can start using Bootstrap
  • Responsive features: Bootstrap’s responsive CSS adjusts to phones, tablets, and desktops
  • Mobile-first approach: In Bootstrap, mobile-first styles are part of the core framework
  • Browser compatibility: Bootstrap 4 is compatible with all modern browsers (Chrome, Firefox, Internet Explorer 10+, Edge, Safari, and Opera)
Create A Responsive Tour & Travel Agency Website Design Using HTML / CSS / JAVASCRIPT | Step By Step
Create A Responsive Tour & Travel Agency Website Design Using HTML / CSS / JAVASCRIPT | Step By Step

Bootstrap CDN

If you don’t want to download and host Bootstrap yourself, you can include it from a CDN (Content Delivery Network).

MaxCDN provides CDN support for Bootstrap’s CSS and JavaScript. You must also include jQuery:

MaxCDN:

One advantage of using the Bootstrap CDN:Many users already have downloaded Bootstrap from MaxCDN when visiting another site. As a result, it will be loaded from cache when they visit your site, which leads to faster loading time. Also, most CDN’s will make sure that once a user requests a file from it, it will be served from the server closest to them, which also leads to faster loading time.

jQueryBootstrap uses jQuery for JavaScript plugins (like modals, tooltips, etc). However, if you just use the CSS part of Bootstrap, you don’t need jQuery.

Quick start

Looking to quickly add Bootstrap to your project? Use jsDelivr, provided for free by the folks at jsDelivr. Using a package manager or need to download the source files? Head to the downloads page.

CSS

Copy-paste the stylesheet into your before all other stylesheets to load our CSS.

JS

Many of our components require the use of JavaScript to function. Specifically, they require jQuery, Popper.js, and our own JavaScript plugins. Place the following

Curious which components explicitly require jQuery, our JS, and Popper.js? Click the show components link below. If you’re at all unsure about the general page structure, keep reading for an example page template.

Our

bootstrap.bundle.js

and

bootstrap.bundle.min.js

include Popper, but not jQuery. For more information about what’s included in Bootstrap, please see our contents section.

Show components requiring JavaScript
  • Alerts for dismissing
  • Buttons for toggling states and checkbox/radio functionality
  • Carousel for all slide behaviors, controls, and indicators
  • Collapse for toggling visibility of content
  • Dropdowns for displaying and positioning (also requires Popper.js)
  • Modals for displaying, positioning, and scroll behavior
  • Navbar for extending our Collapse plugin to implement responsive behavior
  • Tooltips and popovers for displaying and positioning (also requires Popper.js)
  • Scrollspy for scroll behavior and navigation updates
Complete Responsive Hospital Website Design Template Using HTML - CSS - JavaScript || Step By Step
Complete Responsive Hospital Website Design Template Using HTML – CSS – JavaScript || Step By Step

Create First Web Page With Bootstrap 4

1. Add the HTML5 doctype

Bootstrap 4 uses HTML elements and CSS properties that require the HTML5 doctype.

Always include the HTML5 doctype at the beginning of the page, along with the lang attribute and the correct character set:

2. Bootstrap 4 is mobile-first

Bootstrap 4 is designed to be responsive to mobile devices. Mobile-first styles are part of the core framework.

To ensure proper rendering and touch zooming, add the following tag inside the
element:

The

width=device-width

part sets the width of the page to follow the screen-width
of the device (which will vary depending on the device).

The

initial-scale=1

part sets the initial zoom level when the page is first loaded
by the browser.

3. Containers

Bootstrap 4 also requires a containing element to wrap site contents.

There are two container classes to choose from:

  1. The

    .container

    class provides a responsive fixed width container
  2. The

    .container-fluid

    class provides a full width container, spanning the entire width of the viewport

Bootstrap CDN

If you don’t want to download and host Bootstrap yourself, you can include it from a CDN (Content Delivery Network).

MaxCDN provides CDN support for Bootstrap’s CSS and JavaScript. You must also include jQuery:

MaxCDN:

One advantage of using the Bootstrap CDN:Many users already have downloaded Bootstrap from MaxCDN when visiting another site. As a result, it will be loaded from cache when they visit your site, which leads to faster loading time. Also, most CDN’s will make sure that once a user requests a file from it, it will be served from the server closest to them, which also leads to faster loading time.

jQueryBootstrap uses jQuery for JavaScript plugins (like modals, tooltips, etc). However, if you just use the CSS part of Bootstrap, you don’t need jQuery.

How To Create A Coffee Website Using HTML CSS & BOOTSTRAP 5 | Responsive Website Design |
How To Create A Coffee Website Using HTML CSS & BOOTSTRAP 5 | Responsive Website Design |

Why Use Bootstrap?

Advantages of Bootstrap:

  • Easy to use: Anybody with just basic knowledge of HTML and CSS can start using Bootstrap
  • Responsive features: Bootstrap’s responsive CSS adjusts to phones, tablets, and desktops
  • Mobile-first approach: In Bootstrap 3, mobile-first styles are part of the core framework
  • Browser compatibility: Bootstrap is compatible with all modern browsers (Chrome, Firefox, Internet Explorer, Edge, Safari, and Opera)

Keywords searched by users: html css javascript jquery bootstrap

Complete Html | Css | Bootstrap | Javascript And Jquery Course - Youtube
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How To Create Responsive Image Gallery Using Html, Css, Jquery And Bootstrap?  - Geeksforgeeks
How To Create Responsive Image Gallery Using Html, Css, Jquery And Bootstrap? – Geeksforgeeks
Sự Khác Biệt Giữa Bootstrap Vs Jquery | Trở Thành Lập Trình Viên
Sự Khác Biệt Giữa Bootstrap Vs Jquery | Trở Thành Lập Trình Viên

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