Run results for: Concat vs Spread (Two Arrays)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36

Browser: Chrome 76

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
spread operator	3755981.0 Ops/sec
concat into empty array	2413416.0 Ops/sec

Script Preparation code:

var array1 = [ "hella", true, 7 ]
var array2 = ["hallo", false, 5];

Tests: