JQuery

JQuery is a fast and concise JavaScript library created by John Resig in 2006. jQuery simplifies the manipulation of elements, event handling, animation, and Ajax interactions in an HTML document. 

Desired Outcomes:

  • Learn what is JQuery
  • Understand JQuery syntax.
  • Link JQuery with an HTML document.
  • Apply JQuery in web interface development.

JQuery is a JavaScript tool designed to simplify various tasks by writing less code. The list of important key features provided by jQuery includes:

  • DOM manipulation – jQuery simplifies the selection of elements, navigation of the DOM, and modification of element contents
  • Event handling – jQuery provides an elegant way to handle a wide range of events without having to write event handlers in HTML code
  • AJAX support – jQuery provides a simple way to implement AJAX technology
  • Animations – jQuery contains many built-in animation effects that can be used on websites
  • Lightweight – jQuery is very small, about 19KB when minified and archived
  • Browser support – jQuery supports a wide range of web browsers. Including browser versions: Internet Explorer 6.0+, Firefox 2.0+, Safari 3.0+, Chrome and Opera 9.0+

Lessons in this module

Start with jQuery Implementation

In this module, you’ll cover:

  • How to link jQuery with HTML
  • jQuery syntax and basic principles
  • Selecting and manipulating HTML elements
  • Traversing the DOM (navigation)
  • Applying CSS styles via jQuery
  • Handling events with jQuery
  • Effects and animations
  • Ajax calls with jQuery
  • Client-side validation
  • Practical projects and best practices for writing jQuery code

Each lesson provides clear examples and exercises to make learning interactive and immediately useful. Start here if you want to build dynamic user experiences with less boilerplate code than “raw” JavaScript requires.

Jump into jQuery → Start Learning

This free HTML & CSS guide teaches concepts clearly, but real progress comes from practice. In the full course, each lesson includes exercises, step-by-step walkthroughs, and real-world examples to help everything click.

See the complete course