<!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> new document </title> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /> <style type="text/css"></style> <script type="text/javascript" src="jquery-1.7.1.min.js"></script> <script type="text/javascript"> window.onload=function(){ document.getElementById(‘btnOk‘).onclick=function(){ $(‘div‘).html(‘php‘); }; }; </script> </head> <body> <div id="div1">div1</div> <hr/> <div>div2</div> <hr/> <input type="button" id=‘btnOk‘ value=‘确定‘ /> </body> </html>
详细解释：
原文：http://www.cnblogs.com/yangzailu/p/5834281.html