Run results for: startswith vs split and equal

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 YaBrowser/24.7.0.0 Safari/537.36

Browser: Yandex Browser 24

Operating system: Windows

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
Startswith	67590192.0 Ops/sec
Split and equal	5145027.0 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 }