Run results for: find vs findIndex vs some (Array prototype methods) - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Firefox/102.0

Browser: Firefox 102

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Array.prototype.find	1263.5 Ops/sec
Array.prototype.findIndex	1210.8 Ops/sec
Array.prototype.some	1206.5 Ops/sec

Website performance monitoring

Script Preparation code:

var arr = [];
var i = 0;

while (i <= 1E5) arr[i] = i++;

Tests:

Array.prototype.find
const item = arr.find(item => item == 1E5);
Array.prototype.findIndex
const index = arr.findIndex(item => item == 1E5);
Array.prototype.some
const index = arr.some(item => item == 1E5);