Angular AngularFire Obj to Array so that one can filter them objects Thank you https://github.com/finalclass // https://github.com/angular/angular.js/issues/1286#issuecomment-22193332

gistfile1.js

// To Array Filter
// https://github.com/angular/angular.js/issues/1286#issuecomment-22193332

$scope.toArray = function () {
	return function (obj) {
		if (!(obj instanceof Object)) {
			return obj;
		}

		return Object.keys(obj).map(function (key) {
			return Object.defineProperty(obj[key], '$key', {__proto__: null, value: key});
		});
	}
}