Run results for: find() vs for...of vs for-loop

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Array.find()

56.6M/s

for..of

16.1M/s

for-loop

11.5M/s

View exact numbers

HTML Preparation code:

<div id='test'></div>

Tests:

for-loop
var arr = ['hello', 'a', 'b']; let val; for(i=0; i<arr.length; i++){ var value = arr[i]; if (value === 'b') { val = value; break; } }
for..of
var arr = ['hello', 'a', 'b']; let val; for (var value of arr) { if (value === 'b') { val = value; break; } }
Array.find()
var arr = ['hello', 'a', 'b']; let val = arr.find(node => node.id === 'b');