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Run results for:
concat vs spread test
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36
Browser:
Chrome 119
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
spread
60.4M/s
concat
14.6M/s
View exact numbers
Test name
Executions per second
✓
spread
60,392,196 Ops/sec
concat
14,602,444 Ops/sec
Tests:
concat
const a = [1] const b = [1].concat([2],[3])
spread
const a = [1] const b = [...a, ...[2], ...[3]]