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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_8 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/18H17 [FBAN/FBIOS;FBDV/iPhone12,1;FBMD/iPhone;FBSN/iOS;FBSV/14.8;FBSS/2;FBID/phone;FBLC/fr_FR;FBOP/5]

Browser: Mobile Safari 14

Operating system: iOS 14.8

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
for-loop	66079470.0 Ops/sec
for..of	61347950.0 Ops/sec
Array.find()	46822380.0 Ops/sec

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');

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

Testing the difference between native loops and find()

for-loop

for..of

Array.find()