<!DOCTYPE html> <html lang="ja-JP"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width,user-scalable=yes,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.5"> <title></title> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> <script> $(function(){ $("span").click(function(){ $(this).html("<img src=\"img/after.png\">") }); }); </script> <style> img{ display:block; width:200px; height:200px; cursor:pointer; } </style> </head> <body> <span><img src="img/before.png"><span> </body> </html>