Run results for: startswith vs split and equal

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser: Chrome 124

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Startswith	99235608.0 Ops/sec
Split and equal	11836700.0 Ops/sec

Tests:

Startswith
const key = 'noneofit_fbalbegl' if (key.startsWith('latest_')) { delay = 10000 } else if (key.startsWith('games-live')) { delay = 3000 } else if (key.startsWith('news_')) { delay = 10000 } else if (key.startsWith('highlight_')) { delay = 10000 } else if (key.startsWith('schedules-day_')) { delay = 10000 } else if (key.startsWith('video_')) { delay = 10000 }
Split and equal
const key = 'games-live_fbalbegl' const [type] = key.split('_') if (type === 'latest') { delay = 10000 } else if (type === 'games-live') { delay = 3000 } else if (type === 'news') { delay = 10000 } else if (type === 'highlight') { delay = 10000 } else if (type === 'schedules-day') { delay = 10000 } else if (type === 'video') { delay = 10000 }