Array direct assignment vs push

JavaScript performance comparison

Revision 190 of this test case created by Rémi Nollet

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Direct assignment using length
const array = [];
for (let i = 0; i < 100; i++) {
    array[array.length] = "test";
}
pending…
Direct assignment with pre-allocation
const array = new Array(100);
for (let i = 0; i < 100; i++) {
    array[i] = "test";
}
pending…
Push
const array = [];
for (let i = 0; i < 100; i++) {
    array.push("test");
}
pending…
Direct assignment using loop index
const array = [];
for (let i = 0; i < 100; i++) {
    array[i] = "test";
}
pending…

Revisions

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