HTML:
<iframe id="yb_if" width="940px" src="连接" frameborder=0 allowfullscreen></iframe>
JS:
//自动同步iframe高度
function reinitIframe(){
var iframe = document.getElementById("yb_if");
try{
iframe.height = iframe.contentWindow.document.documentElement.scrollHeight;
}catch (ex){
}
}
window.setInterval("reinitIframe()", 200);