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(){ $("button").click(function(){ alert($("p").css("color")); }); }); </script> </head> <body> <p style="color:red">This is a paragraph.</p> <button type="button">返回段落的颜色</button> </body> </html>
查看结果: