jQuery 是一个Javascr ipt 库，它有助于简化 Javascr ipt™ 以及 Asynchronous Javascr ipt + XML (Ajax) 编程。与类似的 Javascr ipt 库不同，jQuery 具有独特的基本原理，可以简洁地表示常见的复杂代码。学习 jQuery 基本原理，探索其特性和功能，执行一些常见的 Ajax 任务并掌握如何使用插件扩展 jQuery。-jQuery is a Javascr ipt library that helps simplify the Javascr ipt ™　and Asynchronous Javascr ipt+ XML (Ajax) programming. Different and similar Javascr ipt libraries, jQuery has a unique basic principles, you can concisely express common complex code. Learning jQuery Basic principles, explore its features and functions, perform some common Ajax tasks, and learn how to use the plug-ins extend jQuery.