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Run results for:
while vs for vs forEach vs for of - 1000000 - calc
Compare the new ES6 spread operator with the traditional concat() method and push
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=534496" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Browser:
Chrome 126
Operating system:
Linux
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
for of
338K/s
forEach
85K/s
while
970/s
for
892/s
View exact numbers
Test name
Executions per second
✓
for of
338,432 Ops/sec
forEach
84,817 Ops/sec
while
970 Ops/sec
for
892 Ops/sec
Script Preparation code:
var arr =new Array(10000);
Tests:
while
let i=0; while(i < arr.length) { const exp = arr[i] ** 2; i++; }
for
for(let i=0; i<arr.length; i++) { const exp = arr[i] ** 2; }
forEach
arr.forEach((element) => { const exp = element ** 2; });
for of
for(const element of arr) { const exp = element ** 2; }