Run results for: arr unshift vs double reverse and push

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; MI 8 SE) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.116 Mobile Safari/537.36 EdgA/46.06.4.5160

Browser: Chrome Mobile 77

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
unshift	12726.2 Ops/sec
reverse push reverse	1485.0 Ops/sec

Script Preparation code:

var arr = [10];

Tests:

unshift
arr.unshift(1);
reverse push reverse
arr.reverse(); arr.push(1); arr.reverse();

Run results for: arr unshift vs double reverse and push

unshift

reverse push reverse