Run results for: findIndex vs map & indexOf

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36 OPR/76.0.4017.177

Browser: Opera 76

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
findIndex	154250.1 Ops/sec
map and indexOf	6616.0 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: