gistfile1.js

function hashElements(arr, directions, order) {
	var i = order.length, sort_pass = function(field, order) {
		arr = arr.sort(function(a, b) {
			var res = a[field] <= b[field];
			return b == -1? res : !res;
		});
	};
	while(i--) sort_pass(order[i], directions[order[i]]);
	return arr;
}

var obj = [{name: "Ray", age: 22}, {name: "Foo", age: 42}, {name: "pspeter3", age: 42}];

obj = hashElements(obj, {name:1, age:-1}, ["age", "name"]);

print(obj.toSource());