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Asked: 2026-05-12T07:32:10+00:00

Why does jQuery.ajax() throw an error with no error message if you use a

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Why does jQuery.ajax() throw an error with no error message if you use a URL with a dfferent server?

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  1. Editorial Team

    Its because of the restriction on cross domain requests implemented in the browser for XMLHttpRequests. You can get around this by using JSONP as the format, otherwise you’ll need a server-side proxy for the request.

    Quoting from the ajax documentation on http://jquery.com

    Note: All remote (not on the same
    domain) requests should be specified
    as GET when ‘script’ or ‘jsonp’ is the
    dataType (because it loads script
    using a DOM script tag). Ajax options
    that require an XMLHttpRequest object
    are not available for these requests.
    The complete and success functions are
    called on completion, but do not
    receive an XHR object; the beforeSend
    and dataFilter functions are not
    called.

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