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function f() {
var x = [1, 2, 3];
var y = {};
x.__proto__ = y;
for (var i = 0; i < 200; i++) {
if (i == 100)
y[100000] = 15;
else
assertEq(typeof x[100000], i > 100 ? "number" : "undefined");
}
}
function g() {
var x = [1, 2, 3];
var y = {};
x.__proto__ = y;
for (var i = 0; i < 200; i++) {
if (i == 100)
y[4] = 15;
else
assertEq(typeof x[4], i > 100 ? "number" : "undefined");
}
}
f();
g();