What happens if I call jQuery.post() with an empty url?

If I submit a form with an empty action field, it su开发者_如何学JAVAbmits to the current page--is this the case with ajax requests?

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I fell over this question when wondering the same about the $.ajax method. It turns out that it works in chrome, but not IE if you have a blank URL.

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That's correct, it submits to the current page.

Reference, jQuery documentation:

url (String)
Default: The current page
A string containing the URL to which the request is sent.

Source

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This parameter is not marked as Optional. Some errors are possible.

http://docs.jquery.com/Post