Run results for: findIndex vs map & indexOf

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; Redmi Note 8 Pro) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Mobile Safari/537.36

Browser: Chrome Mobile 89

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
findIndex	62704.4 Ops/sec
map and indexOf	2426.5 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: