Edit The Code:
See Result »
Try it Yourself - ©
w3big.com
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>本教程(w3big.com)</title> <script src="http://cdn.static.w3big.com/libs/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("button").click(function(){ $("p").fadeToggle("slow",function(){ alert("fadeToggle效果已完成!"); }); }); }); </script> </head> <body> <button>点我</button> <p>这是一个段落。</p> </body> </html>