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IFRAME cross-domain (level two domain name)

Source: Internet
Author: User
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There are a.ceshi.com to load b.ceshi.com content through the IFRAME, through the two sub-domain pages under the same settings Document.domian set to the same primary domain can be achieved across the domain read data:

A.ceshi.com page

<!DOCTYPE HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/TR/xhtml1/DTD/ Xhtml1-transitional.dtd "><HTMLxmlns= "http://www.w3.org/1999/xhtml"Xml:lang= "en"><Head>    <Metahttp-equiv= "Content-type"content= "Text/html;charset=utf-8">    <title>Ceshi1</title></Head><Body>I was 1 .<DivID= "Box1"></Div><Scripttype= "Text/javascript">//set the primary domainDocument.domain= 'ceshi.com';variframe=Document.createelement ("iframe"); Iframe.style.display= 'None';//Pull b.ceshi.com Contentiframe.src= "http://b.ceshi.com";d Ocument.body.appendChild (iframe);//Determine if loading is completeif(iframe.attachevent) {iframe.attachevent ("onload", function() {alert ("Local iframe is now loaded."); Alert (Iframe.contentWindow.document.body.innerHTML) document.getElementById ('Box1'). InnerHTML=Iframe.contentWindow.document.body.innerHTML; }); } Else{iframe.onload= function() {alert ("Local iframe is now loaded."); Alert (Iframe.contentWindow.document.body.innerHTML) document.getElementById ('Box1'). InnerHTML=Iframe.contentWindow.document.body.innerHTML; }; }</Script></Body></HTML>

B.ceshi.com page

<!DOCTYPE HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/TR/xhtml1/DTD/ Xhtml1-transitional.dtd "><HTMLxmlns= "http://www.w3.org/1999/xhtml"Xml:lang= "en"><Head>    <Metahttp-equiv= "Content-type"content= "Text/html;charset=utf-8">    <title>Ceshi2</title></Head><Body>I was 2 .<Scripttype= "Text/javascript">//set the primary domainDocument.domain= 'ceshi.com';</Script></Body></HTML>

This allows you to read the contents of b.ceshi.com from a.ceshi.com.

As far as through the IFRAME across different primary domain names, to be continued ...

IFrame cross-domain (level two domain name)

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