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Run results for:
Making Array Range
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<iframe src="https://measurethat.net/Embed?id=621886" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 18
Operating system:
iOS 18.1
Device Platform:
Mobile
Date tested:
5 months ago
Test name
Executions per second
Generator
654890.2 Ops/sec
For loop
34640328.0 Ops/sec
UIntArray
2776886.8 Ops/sec
Script Preparation code:
function* rangeGenerator(end, start = 0) { yield start if (start === end) return yield* rangeGenerator(end, start + 1) }
Tests:
Generator
const result = Array.from(rangeGenerator(20))
For loop
const result = [] for (let i = 0; i < 21; ++i) { result.push(i) }
UIntArray
Array.from(new Uint8Array(21).map((_, i) => i))