ajax - raising jquery deferred.then() once all deferred objects have been resolved - Stack Overflow

as Eli pointed out, $.when() accepts a comma separated list of arguments and not an array. using Function.apply() to pass in the array seems to do the trick.

function saveAll(callback) {      var dataArray = [], deferreds = [];      $.each(dataArray, function() {          deferreds.push( save() );      });        $.when.apply(window, deferreds).then(callback);  }

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