<!DOCTYPE?html>
<html>
<head>
<meta?charset="UTF-8">
<title></title>
</head>
<body>
<input?type="button"?id="oo"?value="123456789"?/>
</body>
<script>
var?oo=document.getElementById('oo');
oo.addEventListener('click',function(){alert('hh')},false);
oo.removeEventListener('click',function(){alert('hh')},false);
</script>
</html>
為什么不能刪除事件？
清風流光
2017-05-04 15:20:44
