iframe自适应高度代码

1. var adjustIframe = function (id) {
2. var iframe = document.getElementById(id)
3. var idoc = iframe.contentWindow && iframe.contentWindow.document || iframe.contentDocument;
4. var callback = function () {
5. var iheight = Math.max(idoc.body.scrollHeight, idoc.documentElement.scrollHeight); //取得其高
6. iframe.style.height = iheight + "px";
7. }
8. if (iframe.attachEvent) {
9. iframe.attachEvent("onload", callback);
10. } else {
11. iframe.onload = callback
12. }
13. }

1. <iframe id="js_sub_web" width="80%" frameborder="0" scrolling="no" allowTransparency="true" src="http://www.cnblogs.com/rubylouvre/archive/2009/09/15/1566722.html">
2. </iframe>

1. window.onload = function(){
2. adjustIframe("js_sub_web");
3. }