ajax datatype json acts as jsonp for jquery 1.5

[[email protected]…]

used jquery.autocomplete which added $.ajax{dataType:"json"} which results in query adds jsonp callback and further the callback will cause a parse error, when removing the dataType spec. will cause correct behavior. In my scenario the response data structure is => [{"someproperty":"somevalue"}, {"someproperty":"somevalue"}]

Did a quick search for json in jquery-1.5.js and found this on row 6905:

// Detect, normalize options and install callbacks for jsonp requests
jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, dataIsString /* internal */ ) {

removing the "json" from first argument will add correct behavior when spec. dataType:"json"

[jitter]

Thanks for taking the time to contribute to the jQuery project by writing a bug report.

Please submit a reduced test case, which reproduces the issue you are experiencing, on ​http://jsfiddle.net. So that we can investigate this issue further.

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[john.firebaugh]

Are you using the jquery-validation plugin? It is not compatible with jQuery 1.5 and in particular causes the symptom you describe.

​https://github.com/jzaefferer/jquery-validation/issues#issue/36

[[email protected]…]

Yes, that is correct. I removed jquery-validation from loading and it makes things work. You can close this issue.

Thanks, Daniel

Replying to john.firebaugh:

Are you using the jquery-validation plugin? It is not compatible with jQuery 1.5 and in particular causes the symptom you describe.

​https://github.com/jzaefferer/jquery-validation/issues#issue/36