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

Run details:

User agent: Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.70 Mobile Safari/537.36

Browser: Chrome Mobile 78

Operating system: Android 6.0

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
Splice	32761370.0 Ops/sec
Slice	90944630.0 Ops/sec
Concat	6963691.0 Ops/sec
Spread	68951580.0 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];