Run results for: Boolean vs !!

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36

Browser: Chrome 87

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Test1	15552851.0 Ops/sec
Test2	5230175.0 Ops/sec

Script Preparation code:

var newArr = ['1', '2', '3', '4'];

AخA
 
var newArr = ['1', '2', '3', '4'];

Tests: