<iframe id="box" src="index.html" width="100%" height=""></iframe>
function setIframeHeight(id){
try{
var iframe = document.getElementById(id);
if(iframe.attachEvent){
iframe.attachEvent("onload", function(){
iframe.height = iframe.contentWindow.document.documentElement.scrollHeight;
});
return;
}else{
iframe.onload = function(){
setTimeout(function () {},400)
iframe.height = iframe.contentDocument.body.scrollHeight;
};
return;
}
}catch(e){
throw new Error('setIframeHeight Error');
}
}
setIframeHeight('box');