Run results for: Array.prototype.concat vs Spread operator

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36

Browser: Chrome 65

Operating system: Mac OS X 10.13.4

Device Platform: Other

Date tested: 6 years ago

Test name	Executions per second
Array.prototype.concat	0.0 Ops/sec
Spread operator	1417.9 Ops/sec

Tests:

Array.prototype.concat
const test = [].concatArray(10000).fill('1').concat(Array(100).fill('2'));
Spread operator
const test = [ ...Array(10000).fill('1'), ...Array(100).fill('2')];