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Run results for:
Merging two arrays
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<iframe src="https://measurethat.net/Embed?id=618689" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36
Browser:
Chrome 141
Operating system:
Windows
Device Platform:
Desktop
Date tested:
8 months ago
Test name
Executions per second
Array.prototype.push apply
26572018.0 Ops/sec
array.push spread
34223876.0 Ops/sec
array.concat
7581910.5 Ops/sec
spread operator
21807296.0 Ops/sec
Tests:
Array.prototype.push apply
const base = [1]; const added = [1, 2, 3]; const combined = Array.prototype.push.apply(base, added);
array.push spread
const base = [1]; const added = [1, 2, 3]; const combined = base.push(...added);
array.concat
const base = [1]; const added = [1, 2, 3]; const combined = base.concat(added);
spread operator
const base = [1]; const added = [1, 2, 3]; const combined = [...base, ...added];