iframe自适应高度

/**
* iframe自适应高度，height为手动设置的最小高度
*/
function initIframeHeight(height){
var userAgent = navigator.userAgent;
var iframe = parent.document.getElementById("contentIframe");
var subdoc = iframe.contentDocument || iframe.contentWindow.document;
var subbody = subdoc.body;
var realHeight;
//谷歌浏览器特殊处理
if(userAgent.indexOf("Chrome") > -1){
realHeight = subdoc.documentElement.scrollHeight;
}
else{
realHeight = subbody.scrollHeight;
}
if(realHeight < height){
$(iframe).height(height);
}
else{
$(iframe).height(realHeight);
}
}

iframe自适应高度

原文：http://www.cnblogs.com/chenxiaojun/p/5359845.html