iframe自适应高度（同域）

<iframe src="Home.html" id="iframepage" name="iframepage" frameBorder=0 scrolling=no width="100%" onLoad="iFrameHeight()" ></iframe>

 

<script type="text/javascript" language="javascript">

 

        function iFrameHeight() {

 

        var ifm= document.getElementById("iframepage");

 

        var subWeb = document.frames ? document.frames["iframepage"].document : ifm.contentDocument;

 

        if(ifm != null && subWeb != null) {

 

        ifm.height = subWeb.body.scrollHeight;

 

        }

 

}

 

</script>