Posted in Javascript onApril 18, 2013
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title></title> <style type="text/css"> img { width:200px; height:200px; } </style> <script src="jquery-1.9.1.js" type="text/javascript"></script> <script type="text/javascript"> $(function () { $('#btn1').click(function () { var num = Math.floor(Math.random() * 8 + 1); $('img').attr('src','picture/'+num+'.jpg') }) }) </script> </head> <body> <img src="picture/1.jpg" id="img1" /> <input id="btn1" type="button" value="变换" /> </body> </html>
jQuery随机切换图片的小例子
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