<body><div> ? ? <input type="button" id="btn3" value="按鈕" /></div><script>? ? var eventUtil={ addHandel:function(element,type,handel){ ?if(element.addEventListener){ ?element.addEventListener(type,handel,false); ?}else if(element.attachEvent){ ?element.attacheEvent("on"+type,handel); ?}else{ ?element["on"+type]=handel; ?} }, removeHandel:function(element,type,handel){ if(element.removeEventListener){ element.removeEventListener(type,handel,false); }else if(element.detachEvent){ element.detachEvent("on"+type,handel); }else{ element["on"+type]=null; } } }; eventUtil.addHandel(btn3，click,function(){ alert("hello"); })? ? </script></body>
不知道為什么這個為什么運行不出來
錦繡江山
2015-11-16 20:09:19