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Run results for:
Spread vs unshift sam
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Browser:
Chrome 123
Operating system:
Linux
Device Platform:
Desktop
Date tested:
2 years ago
unshift
16K/s
spread
255/s
View exact numbers
Test name
Executions per second
✓
unshift
16,298 Ops/sec
spread
255 Ops/sec
Script Preparation code:
var arr = []; for (let i = 0; i < 100_000; ++i) { arr.push('i: ' + i); }
Tests:
unshift
arr.unshift('AddedToFront'); const arr2 = arr;
spread
const arr2 = ['AddedToFront', ...arr];