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Run results for:
concat vs spread vs push three arrays to new one FIX
Compare the spread, concat, push three arrays to new one
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<iframe src="https://measurethat.net/Embed?id=519386" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Browser:
Chrome 123
Operating system:
Linux
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
concat
2248988.2 Ops/sec
spread
3652131.5 Ops/sec
push
3230086.5 Ops/sec
Script Preparation code:
var a = [1, 2, 3, 4, 5, 'a', 'b', 'c']; var b = [6, 7, 8, 9, 10, 'd', 'e', 'f']; var c = [11, 12, 13, 14, 'g', 'h', 'i'];
Tests:
concat
var res = [].concat(a, b, c);
spread
var res = [...a, ...b, ...c];
push
const res = []; res.push(...a); res.push(...b); res.push(...c);