站点嵌iframe自适应

<iframe src="http://10.0.1.12:10002/admin" id="myiframe" frameborder="0" scrolling="no" onload="changeFrameHeight()" width="100%" height="100%"></iframe>
<script>
function changeFrameHeight(){
    var ifm= document.getElementById("myiframe");
    ifm.height=document.documentElement.clientHeight;
    }
window.onresize=function(){
     changeFrameHeight();
    }
</script>