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

Run details:

User agent: Mozilla/5.0 (Android 10; Mobile; rv:96.0) Gecko/96.0 Firefox/96.0

Browser: Firefox Mobile 96

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Splice	988624.8 Ops/sec
Slice	3388619.0 Ops/sec
Concat	3775232.0 Ops/sec
Spread	4806454.0 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];