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Run results for:
find() vs for...of vs for-loop
Testing the difference between native loops and find()
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<iframe src="https://measurethat.net/Embed?id=613830" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
Browser:
Chrome 138
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Array.find()
65.7M/s
for..of
40.7M/s
for-loop
4.8M/s
View exact numbers
Test name
Executions per second
✓
Array.find()
65,681,564 Ops/sec
for..of
40,668,884 Ops/sec
for-loop
4,820,008 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');