void vs undefined

JavaScript performance comparison

Revision 16 of this test case created by eastkiki

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
undefined
function b(a) {
 return (a === undefined);
};

b();
pending…
void
function b(a) {
 return (a === void 0);
};

b();
pending…
typeof
function b(v) {
 return "undefined" === typeof(v);
}

b();
pending…
!!
function b(v) {
 return !v;
}

b();
pending…

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