js 完全分离 window.onload=
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>TAB菜单</title> <script type="text/javascript"> function test(){ alert(‘abc‘); } window.onload= function init() { //重点 document.getElementById("div1").onclick=test; } </script> </head> <body> <!--不用 <body onload="init()" --> <div id="div1" style="width: 100px; height: 100px; border: 1px solid #ccc;"></div> </body> </html>
原文：http://www.cnblogs.com/gyz418/p/5164790.html