Run results for: find vs findIndex vs loop for

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Browser: Chrome 143

Operating system: Windows

Device Platform: Desktop

Date tested: 6 months ago

for loop

71.3M/s

Array.prototype.find

944/s

Array.prototype.findIndex

940/s

View exact numbers

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);
for loop
let index = -1; for(let i = 0; i < arr.length; i++) { arr[i] == 1E5; index = i; break; }