Run results for: findIndex vs indexOf

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0

Browser: Firefox 147

Operating system: Windows

Device Platform: Desktop

Date tested: 6 months ago

indexOf

132K/s

findIndex

9K/s

View exact numbers

Test name	Executions per second
✓ indexOf	131,764 Ops/sec
findIndex	8,846 Ops/sec

Script Preparation code:

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

Tests: