Run results for: arr unshift vs double reverse and push

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:86.0) Gecko/20100101 Firefox/86.0

Browser: Firefox 86

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
unshift	546039.1 Ops/sec
reverse push reverse	50.8 Ops/sec

Script Preparation code:

var arr = [10];

Tests: