結(jié)果沒出來怎么回事
<meta charset="UTF-8">
?? ?<title>Document</title>
?? ?
</head>
<body>
<input type="button" value="button" id="button" onclick="show()">
<input type="button" value="button2" id="bt2">
<script type="text/javascript">
??? function show (){
?????? alert("hello");
??? }
??? var b=Document.getElementById('bt2');
??? b.onclick=function(){
?? ??? ?alert("這是通過DOM0級添加的事件");
??? }
? // b.onclick=null;
</script>
</body>
</html>
2015-12-07
注意大小寫啊同學
var b=Document.getElementById('bt2');
2015-12-07
哦哦，thanks