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Run results for:
for loops vs forEach test: call functions from new array with 4 items and increment number
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<iframe src="https://measurethat.net/Embed?id=628580" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
Browser:
Chrome 149
Operating system:
Linux
Device Platform:
Desktop
Date tested:
3 months ago
for...of
20.8M/s
for (C style)
20.5M/s
forEach
19.6M/s
View exact numbers
Test name
Executions per second
✓
for...of
20,820,330 Ops/sec
for (C style)
20,516,586 Ops/sec
forEach
19,610,560 Ops/sec
Tests:
for...of
let num = 0; const functions = [ () => Math.random() + 10, () => Math.sqrt(Math.random() * 100), () => Math.floor(Math.random() * 50), () => Math.pow(Math.random(), 2), ].map(i => i); for (const fun of functions) { fun(); num++; };
forEach
let num = 0; const functions = [ () => Math.random() + 10, () => Math.sqrt(Math.random() * 100), () => Math.floor(Math.random() * 50), () => Math.pow(Math.random(), 2), ].map(i => i); functions.forEach(fun => { fun(); num++; });
for (C style)
let num = 0; const functions = [ () => Math.random() + 10, () => Math.sqrt(Math.random() * 100), () => Math.floor(Math.random() * 50), () => Math.pow(Math.random(), 2), ].map(i => i); for (let i = 0; i < functions.length; i++) { functions[i](); num++; };