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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 YaBrowser/19.4.0.2400 Yowser/2.5 Safari/537.36

Browser: Yandex Browser 19

Operating system: Mac OS X 10.14.4

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Splice	26557356.0 Ops/sec
Slice	69095960.0 Ops/sec
Concat	8933763.0 Ops/sec
Spread	65926676.0 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