michael@0: gczeal(2);
michael@0: function A(a) { this.a = a; }
michael@0: function B(b) { this.b = b; }
michael@0: function C(c) { this.c = c; }
michael@0: function makeArray(n) {
michael@0:     var classes = [A, B, C];
michael@0:     var arr = [];
michael@0:     for (var i = 0; i < n; i++) {
michael@0:         arr.push(new classes[i % 3](i % 3));
michael@0:     }
michael@0: }
michael@0: var arr = makeArray(30000);