Does disabling third party cookies also disable cookies created by third party javasript?

Posted by Sean on Stack Overflow See other posts from Stack Overflow or by Sean
Published on 2010-04-02T01:38:10Z Indexed on 2010/04/02 1:43 UTC
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JavaScript

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cookies

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third-party

When a page includes third party javascript (via script src=...) and that javascript that sets a cookie, that cookie "becomes" a first party cookie, even though it's originally set by a third party source.

My question is this. If someone has disabled third party cookies in their browser, does that also apply cookies set by third party javascript? Or does it only block cookies that are explicitly set in the headers for requests to the third party domain?

And either way, do all browsers handle this the exact same way or do some block javascript cookies but others allow it?

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