How to pass a multi-dimensional index to a function? The next code only works for single index // == function M(index) { var map = {1: {1: "one"}, 2: {2: "two"}}; console.log(map[index]); } // == [QUOTE][QUOTE][QUOTE] M([1])[/QUOTE][/QUOTE][/QUOTE] Object { 1="one"} [QUOTE][QUOTE] M([1][1])[/QUOTE][/QUOTE] undefined undefined