Looping through jQuery Deferreds after all promises have been called

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Am I using the wrong approach for deferreds and promises?

Yes. In the asynchronous callback you should not access promises, but only the callback arguments. The return promise of $.when does resolve with an array of the .resolve() parameters for each of the promises in the array – you can loop over the arguments object to access the results:

$.when.apply($, promises).then(function () {
    for (var i = 0; i < arguments.length; i++) {
        var singleresult = arguments[i][0];
        console.log(singleresult);
    }
});

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