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Run results for:
spread- concat-unshift-twa-arrays
spread- concat-unshift-twa-arrays
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<iframe src="https://measurethat.net/Embed?id=505287" 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/121.0.0.0 Safari/537.36
Browser:
Chrome 121
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
arrayUnshift
10420399.0 Ops/sec
arrayConcat
6791646.5 Ops/sec
arraySpread
25687300.0 Ops/sec
Script Preparation code:
const array = [1, 2, 3]; const array2 = [4, 5];
Tests:
arrayUnshift
const array = [1, 2, 3]; const array2 = [4, 5]; array.unshift(...array2);
arrayConcat
let array = [1, 2, 3]; const array2 = [4, 5]; array = array.concat(array2)
arraySpread
let array = [1, 2, 3]; const array2 = [4, 5]; array = [...array, ...array2]