<html> <head> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("button").click(function(){ $("img").attr("src","http://michaellauhk.com/diary/wp-content/uploads/2011/06/apple-logo.jpg"); }); }); </script> </head> <body> <img src="http://www.newmobilelife.com/wp-content/uploads/2011/05/apple.jpg" /> <br /> <button>change</button> </body> </html> 說明: 使用attr(),第一個參數指定要控制哪個屬性,第二個參數則是屬性質。