Run results for: arr unshift vs double reverse

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.192 Safari/537.36

Browser: Chrome 88

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
unshift	42796.3 Ops/sec
reverse push reverse	2592.7 Ops/sec

Script Preparation code:

var arr = [42];

Tests: