What does jquery do?

jquery is a JavaScript function library that encapsulates common JavaScript function codes, provides a simple JavaScript design pattern, and optimizes HTML document operations, event processing, animation design, and Ajax interaction.

Recommended: "jquery Video Tutorial"

jQuery is a fast and concise JavaScript framework that follows Prototype Then another excellent JavaScript code library (or JavaScript framework). The purpose of jQuery's design is "write less, do more", which means writing less code and doing more things. It encapsulates common JavaScript function codes, provides a simple JavaScript design pattern, and optimizes HTML document operations, event processing, animation design and Ajax interaction.

The core features of jQuery can be summarized as follows: It has a unique chain syntax and a short and clear multi-functional interface; it has an efficient and flexible CSS selector, and can extend the CSS selector; it has convenient plug-in extensions Mechanism and rich plug-ins. jQuery is compatible with various mainstream browsers, such as IE 6.0, FF 1.5, Safari 2.0, Opera 9.0, etc.

What is jQuery?

jQuery is a JavaScript function library.

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

jQuery library includes the following functions:

• HTML element selection

• HTML element operation

• CSS Operation

• HTML Event Function

• JavaScript Special Effects and Animation

• HTML DOM traversal and modification

• AJAX

• Utilities

Tips: In addition, Jquery A large number of plug-ins are also provided.

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 big companies are using jQuery, for example:

• Google

• Microsoft

• IBM

• Netflix

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