<!DOCTYPE html><html><head> <title>cc01</title> <meta charset="utf-8"> <script type="text/javascript"> function showMes(){ alert('hello world!'); } var btn3 = document.getElementById('btn3'); var eventUtil={ addHandler:function(element,type,handler){ if (element.addEventListener) { element.addEventListener(type,handler,false); }else if (element.attachEvent) { element.attachEvent('on'+type,handler); }else{ element['on'+type]=handler; } }, removeHandler:function(element,type,handler){ if (element.removeEventListener) { element.removeEventListener(type,handler,false); }else if (element.detachEvent) { element.detachEvent('on'+type,handler); }else{ element['on'+type]=null; } } } eventUtil.addHandler(btn3,'click',showMas);</script></head><body><div id="box"> <input type="button" id="btn" value="button1"> <input type="button" id="btn2" value="button2"> <input type="button" id="btn3" value="button3"></div></body></html>
小哥哥，小姐姐；看看哪里錯(cuò)啦；
cc___
2017-04-11 16:42:09
