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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/118.0

Browser: Firefox 118

Operating system: Linux

Device Platform: Desktop

Date tested: 7 months ago

Test name	Executions per second
Array.prototype.find	1345.5 Ops/sec
Array.prototype.findIndex	1310.8 Ops/sec
Array.prototype.some	1511.0 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);