Run results for: concat vs unshift

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.119 Safari/537.36

Browser: Chrome 72

Operating system: Windows 8.1

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
arrayUnshift123	8729.7 Ops/sec
arrayConcat123	234.0 Ops/sec

Script Preparation code:

var array = [1,2,3];

Tests: