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Editorial Team
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Asked: 2026-05-23T17:45:05+00:00

I know this will probably lead to a security breach, but is there a

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I know this will probably lead to a security breach, but is there a way in JavaScript to check the validity of a URL? This has to be done in the client, because I need to check whether the URL is accessible from it. Internal/external network differences apply.

I have tried to use jQuery.ajax(), but it won’t work with remote servers, and also JSONP, but I can’t expect a JSON response. In fact, I have to test any sorts of URLs, not only valid XML or JSON.

Basically, I need to check for a valid statusCode = 200 or similar, if possible.

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1 Answer

  1. Editorial Team

    Well, it seems it’s indeed not possible, probably due to security issues.

    The resolution to this in my case was to create a JSONP response in another server, and the script would simply make a request to it (JSONP allows cross-domain requests).

    Thanks to all.

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