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function f(x,y,z) {
return x + y + z;
}
Array.prototype[1] = 10;
function g() {
var arr = [1, ,3,4,5,6];
for (var i = 0; i < 10; ++i) {
assertEq(f.apply(null, arr), 14);
}
}
g();
Object.prototype[1] = 20;
function h() {
delete arguments[1];
return f.apply(null, arguments);
}
assertEq(h(1,2,3), 24);
function i() {
o = arguments;
delete o[1];
return f.apply(null, o);
}
assertEq(i(1,2,3), 24);