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Run results for:
Array push vs spread when reducing over results
Compare the new ES6 spread operator with the traditional concat() method and push
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<iframe src="https://measurethat.net/Embed?id=496052" 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/120.0.0.0 Safari/537.36
Browser:
Chrome 120
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Push
25K/s
Spread
29/s
View exact numbers
Test name
Executions per second
✓
Push
24,751 Ops/sec
Spread
29 Ops/sec
Tests:
Push
Array(10000).fill(1).reduce((acc, i) => {acc.push(i); return acc;}, []);
Spread
Array(10000).fill(1).reduce((acc, i) => {return [...acc, i]}, []);