Run results for: spread array performance (vs slice, splice, concat)

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; SAMSUNG SM-G9650) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/23.1 Chrome/115.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 115

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Spread

34.7M/s

Concat

2.4M/s

Slice

985K/s

Splice

594K/s

View exact numbers

Test name	Executions per second
✓ Spread	34,699,344 Ops/sec
Concat	2,448,723 Ops/sec
Slice	985,238 Ops/sec
Splice	594,078 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];