Question

155

How retrieve responseJSON property of a jquery $.ajax object

rated 0 times [ 159] [ 4] / answers: 1 / hits: 91072 / 10 Years ago, thu, may 15, 2014, 12:00:00

I have this javascript:

$ajax = $.ajax({

    type: 'GET',

    url: 'DBConnect.php',

    data: '',

    dataType: 'json', 

    success: function(data) {},

    error:function (xhr, ajaxOptions, thrownError) {

        dir(thrownError);

        dir(xhr);

        dir(ajaxOptions);

    }

});

console.dir($ajax);

console.dir($ajax.responseJSON);

console.dir($ajax) shows it has a property named responseJSON, but when I try to access it with $ajax.responseJSON it returns undefined:
enter

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lucillemariselal

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3 Years ago

answered 10 Years ago zaynerogerb · Accepted Answer

Well, of course it's undefined, because at the moment when you run console at last lines of your code, response hasn't yet came from the server.

$.ajax returns promise, which you can use to attach done() and fail() callbacks, where you can use all the properties that you see. And you have actually used callback error and success, and that's where you can run code and other functions that rely on data in the response.