日期:2014-05-16 浏览次数:20384 次
<html> <head> </head> <body> <button id="a1">点击</button> <script> function test(){ document.getElementById("a1").onclick=function(){alert('this is a1');}; //下面这种写法是不对的 //document.getElementById("a1").onclick="alert('this is a1');"; } test(); </script> </body> </html>?
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