michael@0: function remove(k, L) {
michael@0:   for (var i in k) {
michael@0:     if (i == L)
michael@0:       k.splice(L, 3);
michael@0:   }
michael@0: }
michael@0: function f(k) {
michael@0:   var L = 0;
michael@0:   for (var i in k) {
michael@0:     if (L == 1)
michael@0:       remove(k, L);
michael@0:     L++;
michael@0:     assertEq(k[i], 3);
michael@0:   }
michael@0:   assertEq(L, 4);
michael@0: }
michael@0: 
michael@0: var a = [3, 3, 3, 3, 3, 3, 3];
michael@0: f(a);