W3School TIY
编辑您的代码：
<html> <head> <script type="text/javascript" src="../jquery/jquery.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("p").mouseenter(function(){ $("p").css("background-color","yellow"); }); $("p").mouseleave(function(){ $("p").css("background-color","#E9E9E4"); }); }); </script> </head> <body> <p style="background-color:#E9E9E4">请把鼠标指针移动到这个段落上。</p> </body> </html>
查看结果: