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