21 Aug jQuery Tutorial

jQuery is a JavaScript library that came in the year 2006. It was created by John Resig to ease JavaScript Programming. After learning the concepts of jQuery, it will be easier for a developer to work with JavaScript. It is a “write less, do more” JavaScript library.

jQuery Tutorial (English)

Refer to our complete jQuery Video Course in the English language:

jQuery Tutorial (Hindi)

Refer to our complete jQuery Video Course in the Hindi language:

jQuery – Features

The following are the features of jQuery,

• Selectors
  Use the jQuery selectors to select an HTML element and manipulate it.
• Animation
  Animate a div or any other element with jQuery.
• CSS Manipulation
  Manipulate an element and apply CSS style to it with jQuery.
• jQuery Ajax
  JQuery has a rich set of AJAX methods for developing modern web applications.
• Event Methods
  Call event methods event objects with jQuery.
• jQuery Traversing
  jQuery provides DOM traversal methods to locate descendent elements, find sibling elements, etc.
• Plugins
  jQuery has many plugins such as for creating split pages, slideshow, progress bar, etc With that, you can also create your custom plugin.

Run jQuery Online

<!DOCTYPE html>
<html>
<head>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
  <link rel="stylesheet" href="styles.css" />
</head>
<body>
  
  <h2 id="redElement">Click to color me in 'Red'</h2>
  <h2 id="blueElement">Click to color me in 'Blue'</h2>
  <h2 id="greenElement">Click to color me in 'Green'</h2>
  
  <!-- jQuery code-->
  <script src="script.js"></script>
  <!-- jQuery code-->
  
</body>
</html>

Run it Now ↗️

Viewers

The jQuery tutorial is prepared for students, engineers, and professionals. Beginning with the introduction, you will learn how to work with jQuery. With that, step-by-step lessons are provided covering basic as well as advanced jQuery concepts, including the jQuery Selectors, Events, Traversing, Ajax, etc.

FAQs

Q1: What is jQuery and why is it used in web development?

Ans: jQuery is a fast, small, cross-platform, and feature-rich JavaScript library created to simplify HTML DOM tree traversal and manipulation, event handling, CSS animation, and Ajax interactions. Its primary core philosophy is “Write Less, Do More,” allowing developers to accomplish complex JavaScript tasks with far fewer lines of code while handling cross-browser incompatibilities automatically.

Q2: How do you include jQuery in an HTML webpage?

Ans: You can include jQuery in your HTML project using two common methods:

• Using a CDN (Content Delivery Network): Link directly to a hosted jQuery file (such as Google CDN or official jQuery CDN) using a <script> tag inside your HTML <head> or before the closing </body> tag:
  <script src=”https://code.jquery.com/jquery-3.7.1.min.js”></script>

• Local Download: Download the compiled .js library file from jquery.com and include it locally in your project folder.

Q3: What is the $(document).ready() function in jQuery?

Ans: The $(document).ready() function ensures that jQuery code executes only after the entire HTML Document Object Model (DOM) has been fully loaded and parsed by the browser. This prevents errors caused by attempting to select or manipulate HTML elements that have not yet rendered on the page:

$(document).ready(function(){
    // jQuery code goes here
});

Q4: What is the difference between jQuery and plain JavaScript (Vanilla JS)?

Ans: Key differences between jQuery and Vanilla JavaScript include:

• Syntax Simplicity: jQuery offers concise, chainable syntax (e.g., $(‘#id’).hide()) compared to longer native JavaScript methods (e.g., document.getElementById(‘id’).style.display = ‘none’).
• Cross-Browser Compatibility: jQuery automatically abstracts away browser-specific differences and legacy quirks.
• Ajax Requests: jQuery simplifies asynchronous HTTP requests using $.ajax(), $.get(), or $.post(), requiring significantly less boilerplate than native fetch() or XMLHttpRequest.

Q5: What core web development concepts and methods are covered in Studyopedia’s jQuery tutorial?

Ans: Studyopedia’s jQuery tutorial covers setup and CDN integration, basic syntax and selectors (element, ID, class), event handling (click, dblclick, mouseenter, change), DOM manipulation (html(), text(), val(), append(), remove()), CSS class methods (addClass(), removeClass(), toggleClass()), animation effects (hide(), show(), fadeIn(), slideToggle()), and executing Ajax calls ($.get(), $.post()).

jQuery Tutorial – Index

• jQuery – Introduction
• jQuery – How to run
• jQuery – Syntax
• jQuery Selectors

✔️ jQuery – Events

• Event Methods

✔️ jQuery – Effects

• jQuery – Hide an element
• jQuery – Show an element
• jQuery – Toggle an element
• jQuery – Fade an element
• jQuery – Slide Elements
• jQuery – Create Animations

✔️ jQuery – Traversing

• What is Traversing
• Find Ancestors of an element
• Find Descendants of an element
• Find Siblings of an element

✔️ jQuery – HTML DOM

• Get Content
• Set Content
• Add Element
• Remove Element

✔️ jQuery – CSS Manipulation

• Add CSS Class
• Remove CSS Class
• Toggle CSS Class
• Dimension Methods
• Get CSS Properties
• Set CSS Properties

✔️ jQuery – Resources

• jQuery Online Quiz

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