Run results for: arr unshift vs double reverse and push

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36

Browser: Chrome 89

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
unshift	45555.4 Ops/sec
reverse push reverse	2502.6 Ops/sec

Script Preparation code:

var arr = [10];

Tests: