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Run results for:
Array for vs Array for of vs Set for of vs Set forEach * 100
Testing the difference between native loops and find()
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=511927" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0
Browser:
Firefox 123
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
Array for..of
1.7M/s
Set forEach
1.1M/s
Set for of
669K/s
Array for-loop
260K/s
View exact numbers
Test name
Executions per second
✓
Array for..of
1,712,060 Ops/sec
Set forEach
1,056,628 Ops/sec
Set for of
668,805 Ops/sec
Array for-loop
260,038 Ops/sec
HTML Preparation code:
<div id='test'></div>
Script Preparation code:
window.fn = function fn() {} window.arr = new Array(100).fill(0).map((x, i) => i.toString()); window.set = new Set(arr);
Tests:
Array for-loop
for(i=0, l = arr.length; i<l; i++){ fn(arr[i]); }
Array for..of
for (let value of arr) { fn(value); }
Set for of
for (let value of set) { fn(value); }
Set forEach
set.forEach(value => fn(value));