jQuery 是一个JavaScript框架.它兼容CSS3,还兼容各种浏览器.
简单的入门程序:必须导入jQuery包
<script type="text/javascript" src="../../js/jquery-3.2.1.js"></script>
<!DOCTYPE html><html lang="en"><head> ???<meta charset="UTF-8"> ???<title>jquety入门</title> ???<script type="text/javascript" src="../../js/jquery-3.2.1.js"></script> ???<script> ???????$(function () { ???????????alert("hello jquery"); ???????}); ???</script></head><body></body></html>JQuery基础
原文地址：http://www.cnblogs.com/1218-mzc/p/8012018.html