Run results for: Inline array vs regex

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Regex instance and check	3.2 Ops/sec
Array instance and check	12.7 Ops/sec

Script Preparation code:

var ButtonIconPosition = {
    Left: 'left',
    Right: 'right',
}

Tests:

Regex instance and check
for (let i=0; i<1_000_000; i += 1) { const checker = new RegExp( `(${ButtonIconPosition.Left}|${ButtonIconPosition.Top})`, ) }
Array instance and check
for (let i=0; i<1_000_000; i += 1) { const checker = [ButtonIconPosition.Left, ButtonIconPosition.Right] }