Run results for: findIndex vs map & indexOf

Run details:

User agent: Mozilla/5.0 (X11; CrOS x86_64 13904.97.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.167 Safari/537.36

Browser: Chrome 91

Operating system: Chrome OS 13904.97.0

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
findIndex	83189.2 Ops/sec
map and indexOf	5181.1 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: