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Run results for:
string concat and array.join v2
measure string concats
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=531282" 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/126.0.0.0 Safari/537.36
Browser:
Chrome 126
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
concat
51471.5 Ops/sec
join
53060.6 Ops/sec
Script Preparation code:
var characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
Tests:
concat
let result = ""; for (let i = 0; i < 40; i++) { result += characters.charAt(Math.floor(Math.random() * characters.length)); } return result;
join
let result = new Array(40); for (let i = 0; i < 40; i++) { result[i] = characters.charAt(Math.floor(Math.random() * characters.length)); } return result.join("");