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Run results for:
Object set vs new 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=496053" 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
Set
14K/s
Spread
101/s
View exact numbers
Test name
Executions per second
✓
Set
13,853 Ops/sec
Spread
101 Ops/sec
Tests:
Set
Array(10000).fill(1).reduce((acc, i, indx) => {acc[indx] = i; return acc;}, {});
Spread
Array(10000).fill(1).reduce((acc, i, indx) => {return {...acc, [indx]: i}}, {});