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Run results for:
Array push vs concat vs push + flat
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<iframe src="https://measurethat.net/Embed?id=571204" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Push
87.7M/s
Array.prototype.concat
22.2M/s
push + flat
11.5M/s
View exact numbers
Test name
Executions per second
✓
Push
87,723,768 Ops/sec
Array.prototype.concat
22,212,800 Ops/sec
push + flat
11,450,201 Ops/sec
Tests:
Array.prototype.concat
const params = [ "hello", true, 7 ]; const other = [ 1, 2 ].concat(params);
push + flat
const items = []; const params = [ "hello", true, 7 ] items.push(params) const other = items.flat()
Push
const params = [ "hello", true, 7 ]; const other = [ 1, 2 ].push(...params);