michael@0: var a = [0,1,2,3,4,5,6,7,8,9,10];
michael@0: for (var i = 0; i < 10; i++)
michael@0:     delete a[9 - i];
michael@0: assertEq(a.length, 11);
michael@0: for (i = 0; i < 10; i++)
michael@0:     assertEq(a.hasOwnProperty(i), false);
michael@0: