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jQuery Introduction

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

Basic knowledge you need

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

  • HTML
  • CSS
  • JavaScript

If you need to learn these subjects, please on our home page to find these tutorials.

What is jQuery?

jQuery is a JavaScript function library.

jQuery is a lightweight “write less, do more” JavaScript library.

The jQuery library contains the following functions:

  • HTML element selection
  • HTML element manipulation
  • CSS operations
  • HTML event function
  • JavaScript special effects and animation
  • HTML DOM traversal and modification
  • AJAX
  • Utilities

Tip: In addition, Jquery also provides a large number of plug-ins.

Why use jQuery?

There are a large number of open source JS frameworks on the Internet, but jQuery is currently the most popular JS framework and provides a large number of extensions.

Many large companies are using jQuery, for example:

  • Google
  • Microsoft
  • IBM
  • Netflix

Is jQuery applicable to all browsers?

The jQuery community knows that JS has a lot of compatibility issues in different browsers. Currently jQuery is compatible with all major browsers, including Internet Explorer 6!