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Run results for:
spread array performance (vs slice, splice, concat)
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<iframe src="https://measurethat.net/Embed?id=579041" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 131
Operating system:
Android
Device Platform:
Mobile
Date tested:
one year ago
Test name
Executions per second
Splice
25250450.0 Ops/sec
Slice
58745832.0 Ops/sec
Concat
37035700.0 Ops/sec
Spread
34920824.0 Ops/sec
Tests:
Splice
const testArray = [1, 2, 3]; const newTestArray = testArray.splice(0);
Slice
const testArray = [1, 2, 3]; const newTestArray = testArray.slice();
Concat
const testArray = [1, 2, 3]; const newTestArray = testArray.concat();
Spread
const testArray = [1, 2, 3]; const newTestArray = [...testArray];