Run results for: Inline array vs regex

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0

Browser: Firefox 123

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Array instance and check

2K/s

Regex instance and check

8/s

View exact numbers

Test name	Executions per second
✓ Array instance and check	1,813 Ops/sec
Regex instance and check	8 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] }