第一种方法:
<script type="text/javascript">
function demo()
{
var divObj=document.getElementById("divid");
var name=divObj.nodeName;
alert(name);
}
</script>
</head>
<body>
<input type="button" id="inputid" value="yanshi" onclick="demo()"/>
<div id="divid">wdhsjaldjkghd</div>
第二种方法:
<script type="text/javascript">
var divObj=document.getElementById("divid");
var name=divObj.nodeName;
alert(name);
</script>
</head>
<body>
<input type="button" id="inputid" value="yanshi" onclick="demo()"/>
<div id="divid">wdhsjaldjkghd</div>
为什么第二种方法不行