Run results for: test concat vs spread+push

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36

Browser: Chrome 66

Operating system: Mac OS X 10.11.6

Device Platform: Other

Date tested: 6 years ago

Test name	Executions per second
concat	964.4 Ops/sec
spread+push	2384949.0 Ops/sec

Script Preparation code:

var original = [1,2,3,4,5,6,7,8,9,10];
var _new = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'];

Tests: