<iframe src="index.html" width="100%" name="" id="myiframe" scrolling="no" onload="changeFrameHeight()" frameborder="0"></iframe>
function changeFrameHeight(){ ???????var ifm= document.getElementById("myiframe"); ???????ifm.height=document.documentElement.clientHeight; ???} ???window.onresize=function(){ ???????changeFrameHeight(); ???}js控制iframe高度自动撑开
原文地址：https://www.cnblogs.com/creatP/p/10119642.html