Run results for: Array concat vs. spread operator

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36 Edg/79.0.309.71

Browser: Chrome 79

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Array concat	1028234.0 Ops/sec
ES6 spread operator	1813151.0 Ops/sec

Script Preparation code:

var arr1 = ['a', 'b', 'c'];
var arr2 = ['d', 'e', 'f'];

Tests: