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The JavaScript FAQ
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Are cookies enabled?

Question: How do I test whether cookies are enabled in the user's browser?

Answer: To test whether cookies are enabled, you can set a non-empty cookie and then retrieve it. If the retrieved cookie value is the same as you've just set, then cookies are enabled. If the retrieved value is an empty string, then cookies are disabled.

This page contains a simple code that tests the cookies support using the functions SetCookie and ReadCookie. Here's the result:

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The JavaScript FAQ
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