<body>
<div id="topcon" ref="bod" >
<div class="top" id="top">
<span class="sp-1">12112221212</span>
<span class="sp-2">2323232323</span>
</div>
<div class="shop" ><a href="#">点击前往--></a></div>
<div class="main">
<div class="tipbox" >
<span class="tip-1">内容</span>
<span class="tip-2">优势</span>
</div>
<div class="title">
</div>
</div>
</div>
<script>
var div1 = document.getElementById("#top").offsetHeight;
alert(div1+'px');
</script>
</body>
这个高度一直拿不到
