jQuery Introduction

The jQuery library can be added to a web page with a single line of simple markup.

Prerequisites

Before you start learning jQuery, you should have a basic understanding of the following:

  • HTML
  • CSS
  • JavaScript

If you need to learn these subjects first, please visit ourhomepageto find these tutorials.

What is jQuery?

jQuery is a JavaScript function library.

jQuery is a lightweight JavaScript library that emphasizes "write less, do more".

The jQuery library includes the following features:

  • HTML element selection
  • HTML element manipulation
  • CSS manipulation
  • HTML event functions
  • JavaScript effects and animations
  • HTML DOM traversal and modification
  • AJAX
  • Utilities

Tip:In addition, jQuery provides a large number of plugins.

Why Use jQuery?

There are many open-source JS code libraries on the web, but jQuery is currently the most popular JS library and provides a large number of extensions.

Many large companies are using jQuery, for example:

  • Google
  • Microsoft
  • IBM
  • Netflix
lamp Is jQuery compatible with all browsers?

The jQuery team knows that JS has many compatibility issues in different browsers. Currently jQuery is compatible with all major browsers, including Internet Explorer 6!
Other Extensions