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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=562442" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:131.0) Gecko/20100101 Firefox/131.0
Browser:
Firefox 131
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Array.find()
120.0M/s
for..of
35.2M/s
for-loop
21.4M/s
View exact numbers
Test name
Executions per second
✓
Array.find()
119,979,880 Ops/sec
for..of
35,176,044 Ops/sec
for-loop
21,414,980 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');