Run results for: findIndex vs indexOf - JavaScript performancedsadsadas

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.102 Safari/537.36

Browser: Chrome 98

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Script Preparation code:

var arr = new Array(10);
arr.fill({ id: 0 });
arr = arr.map((el, idx) => el.id = idx);
var foo = Math.floor(Math.random() * 15000);

AخA
 
var arr = new Array(10);arr.fill({ id: 0 });arr = arr.map((el, idx) => el.id = idx);var foo = Math.floor(Math.random() * 15000);

Tests:

findIndex
var index = arr.findIndex((num) => num === foo);
var index = arr.findIndex((num) => num === foo);
indexOf
var index = arr.indexOf(foo);
var index = arr.indexOf(foo);
map indexOf
var index = arr.map((e) => e.id).indexOf(foo);
var index = arr.map((e) => e.id).indexOf(foo);