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Run results for:
Spread Operator VS Array.prototype.slice() VS Array.prototype.map()
Spread Operator VS Array.prototype.slice() VS Array.prototype.map()
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<iframe src="https://measurethat.net/Embed?id=496911" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Browser:
Chrome 120
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
Spread Operator
1680759.9 Ops/sec
Array.prototype.slice()
1725002.2 Ops/sec
Array.prototype.map()
295365.9 Ops/sec
Script Preparation code:
var randomNumbers = []; for (let i = 0; i < 2000; i++) { randomNumbers.push(Math.random()); }
Tests:
Spread Operator
const spreadOperator = [...randomNumbers];
Array.prototype.slice()
const slice = randomNumbers.slice();
Array.prototype.map()
const map = randomNumbers.map(num=>num);