Run results for: findIndex vs map & indexOf

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0

Browser: Firefox 105

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

findIndex

2.9M/s

map and indexOf

11K/s

View exact numbers

Test name	Executions per second
✓ findIndex	2,850,859 Ops/sec
map and indexOf	11,086 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: