yolo.js

var ids = [1, 2, 3, 4],
	details = [],
	fetch = function (id) {
		var dfd = new $.Deferred();

		new Request({ id: id }, function (res) {
			dfd.resolve(res);
		});
		
		return dfd.promise();
	};

for (var i = 0; i < ids.length; i++) {
	details.push(fetch(ids[i]));
}

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