Why does setting document.domain require me to set it in all popups and iframes too?

Posted by Chris on Stack Overflow See other posts from Stack Overflow or by Chris
Published on 2010-05-04T12:15:48Z Indexed on 2010/05/04 12:18 UTC
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JavaScript

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jQuery

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long-polling

I'm using a long-polling iframe solution for a chat script. Unfortunately, this requires me to set document.domain='yourdomain.com' in the iframe and main document, because the iframe is a subdomain call.

The huge problem is...now all my other scripts that use popups and iframes are broken. They now require me to put document.domain in them too. It does fix it, but this is not an ideal solution at all. Is there another way around this problem?

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