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

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.0; PIX-SMB400 Build/OPR6.170623.013) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Crosswalk/23.53.589.4 Mobile Safari/537.36

Browser: Chrome 53

Operating system: Android 8.0

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Splice	550336.1 Ops/sec
Slice	722933.8 Ops/sec
Concat	643988.2 Ops/sec
Spread	145236.5 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];

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

Splice

Slice

Concat

Spread