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Run results for:
for vs while vs for of vs forEach
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=537397" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 127
Operating system:
Android
Device Platform:
Mobile
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
for of
2.4M/s
forEach
2.3M/s
while i--
20K/s
for i--
19K/s
for i++
10K/s
View exact numbers
Test name
Executions per second
✓
for of
2,389,614 Ops/sec
forEach
2,269,483 Ops/sec
while i--
19,572 Ops/sec
for i--
19,396 Ops/sec
for i++
9,698 Ops/sec
Script Preparation code:
var arr = [] for (var i = 0; i < 1000; i++) arr[i] = i
Tests:
for i++
for (var i = 0; i < arr.length; i++) { var a = arr[i] }
for i--
for (var i = arr.length; i >= 0; i--) { var a = arr[i] }
while i--
var i = arr.length while (i--) { var a = arr[i] }
for of
for (var v of arr) { var a = v }
forEach
arr.forEach(v => { var a = v })