Run results for: findIndex vs indexOf vs contains

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0

Browser: Firefox 131

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

indexOf

1030.3M/s

startWith

1016.4M/s

includes

977.7M/s

View exact numbers

Script Preparation code:

var arr = '+12321313eefs,dmfsmfksf'

Tests: