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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:141.0) Gecko/20100101 Firefox/141.0

Browser: Firefox 141

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Array.find()

202.3M/s

for-loop

132.5M/s

for..of

55.1M/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');