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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=580852" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:133.0) Gecko/20100101 Firefox/133.0
Browser:
Firefox 133
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Push
34.5M/s
push + flat
23.2M/s
Array.prototype.concat
23.1M/s
View exact numbers
Test name
Executions per second
✓
Push
34,477,144 Ops/sec
push + flat
23,199,622 Ops/sec
Array.prototype.concat
23,072,548 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);