Zero filled array creation

JavaScript performance comparison

Test case created by MaxArt

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Array push
for (var i = 0, a = []; i < 100; i++) a.push(0);
pending…
Array assign
for (var i = 0, a = new Array(100); i < 100;) a[i++] = 0;
pending…
Typed array conversion
[].slice.call(new Uint8Array(100));
pending…
Binary concatenation
for (var i = 100, a = [], add = [0]; i; i >>=1) {
    if (i & 1) a.push.apply(a, add);
    add.push.apply(add, add);
}
pending…

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1 Comment

MaxArt (revision owner) commented :

Array assign is definitely the way to go here.