Run results for: findIndex vs IndexOf + map

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 138

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

findIndex

12K/s

Map + IndexOf

4K/s

View exact numbers

Test name	Executions per second
✓ findIndex	11,894 Ops/sec
Map + IndexOf	3,699 Ops/sec

Script Preparation code:

var arr = new Array(15000);
arr.fill({ id: 0 });
arr = arr.map((el, idx) => el.id = idx);
var foo = Math.floor(Math.random() * 15000);

Tests: