Run results for: spread array performance (vs slice, splice, concat) - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; SM-G960F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 108

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Splice	7817122.0 Ops/sec
Slice	29643040.0 Ops/sec
Concat	18620760.0 Ops/sec
Spread	17471260.0 Ops/sec

Website performance monitoring

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];