Question

116

Getting the document object of an iframe

rated 0 times [ 123] [ 7] / answers: 1 / hits: 110571 / 13 Years ago, tue, september 27, 2011, 12:00:00

I'm trying to get the document object of an iframe, but none of the examples I've googled seem to help. My code looks like this:

<html>

    <head>

        <script>

            function myFunc(){

                alert(I'm getting this far);

                var doc=document.getElementById(frame).document;

                alert(document is undefined: +doc);

            }

        </script>

    </head>

    <body>

        <iframe src=http://www.google.com/ncr id=frame width=100% height=100% onload=myFync()></iframe>

    </body>

</html>

I have tested that I am able to obtain the iframe object, but .document doesn't work, neither does .contentDocument and I think I've tested some other options too, but all of them return undefined, even examples that are supposed to have worked but they don't work for me. So I already have the iframe object, now all I want is it's document object. I have tested this on Firefox and Chrome to no avail.

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freddiejarretk

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1 Year ago

answered 13 Years ago pranavrorys · Accepted Answer

Try the following

var doc=document.getElementById(frame).contentDocument;



// Earlier versions of IE or IE8+ where !DOCTYPE is not specified

var doc=document.getElementById(frame).contentWindow.document;

Note: AndyE pointed out that contentWindow is supported by all major browsers so this may be the best way to go.

http://help.dottoro.com/ljctglqj.php

Note2: In this sample you won't be able to access the document via any means. The reason is you can't access the document of an iframe with a different origin because it violates the Same Origin security policy

http://javascript.info/tutorial/same-origin-security-policy