Benchmark: spread array performance (vs slice, splice, concat) - MeasureThat.net

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];

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Splice
Slice
Concat
Spread

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: an hour ago)

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Mobile Safari/537.36

Browser/OS: Chrome Mobile 122 on Android

View result in a separate tab

Test name	Executions per second
Splice	2641139.0 Ops/sec
Slice	5623164.0 Ops/sec
Concat	4054512.0 Ops/sec
Spread	3764733.0 Ops/sec