iframe自适应，跨域，JS的document.domain
转载:iframe自适应，跨域，JS的document.domainhttp://www.cnblogs.com/olartan/archive/2009/09/23/1572264.html
1.再父窗口加上document.domain（也就是调用IFRAME的那个窗口）
XML/HTML代码
<script type="text/javascript">document.domain = "cnmo.com"; </script>
2.在子窗口加上下边代码（也就是IFRAME本身里边）
<script type="text/javascript">document.domain = "cnmo.com"; </script><script type="text/javascript">function iframeAutoFit() { try { if(window!=parent) { var a = parent.document.getElementsByTagName("iframe"); for(var i=0; i<a.length; i++) { if(a.contentWindow==window) { var h1=0, h2=0, d=document, ddd=d.documentElement; a.parentNode.style.height = a.offsetHeight +"px"; a.style.height = "10px"; if(dd && dd.scrollHeight) h1=dd.scrollHeight; if(d.body) h2=d.body.scrollHeight; var h=Math.max(h1, h2); if(document.all){h += 4;} if(window.opera){h += 1;} a.style.height = a.parentNode.style.height = h +"px"; } } } } catch (ex){} } if(window.attachEvent) { window.attachEvent("onload", iframeAutoFit); }else if(window.addEventListener) { window.addEventListener('load', iframeAutoFit, false); } </script>
3 细节问题 IFRAME外边加个DIV，否则火狐下有问题，宽度设置好 否则他们都有问题
XML/HTML代码
<div style="width:100%;margin:0 0 10px 0;"> <iframe align='middle' src='http://comments.cnmo.com/iframe_comment.php?kindid=9&articleid=<?=$pic_id?>&tw=620&style=11&font_num=180&pagesize=3' frameborder='0' marginwidth='0' marginheight='0' width='100%' scrolling='no' height='450px' style='margin-top:15px;'></iframe> </div>
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