michael@0: var d = 1;
michael@0: function heavy(x) {
michael@0:     eval(x);
michael@0:     return function lite() {
michael@0:         var s = 0;
michael@0:         for (var i = 0; i < 9; i++)
michael@0:             s += d;
michael@0:         return s;
michael@0:     };
michael@0: }
michael@0: 
michael@0: var f1 = heavy("1");
michael@0: var f2 = heavy("var d = 100;");
michael@0: assertEq(f1(), 9);
michael@0: assertEq(f2(), 900);