获取某div的高度，赋值给另一个div

modkong为赋值对象

简短版

<script type="text/javascript">

window.onload = function() {

document.getElementById("modkong").style.height=document.getElementById("divmid").offsetHeight + "px";

}

</script>

繁复版

<script type="text/javascript">

function $(id){

return document.getElementById(id)

}

function getHeight() {

$("modkong").style.height=$("divmid").offsetHeight + "px";

}

window.onload = function() {

getHeight();

}

</script>