源代码:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Wfuyu教程(wfuyu.com)</title> <script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("p").mouseenter(function(){ $("p").css("background-color","yellow"); }); $("p").mouseleave(function(){ $("p").css("background-color","lightgray"); }); }); </script> </head> <body> <p>鼠标移动到该段落。</p> </body> </html>
运行结果：