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Run results for:
JSON.parse vs string.split.map(Number)
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<iframe src="https://measurethat.net/Embed?id=629252" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
Browser:
Chrome 148
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
22 days ago
Test name
Executions per second
String.split.map(Number)
6735.8 Ops/sec
JSON.parse
17860.8 Ops/sec
Script Preparation code:
var array = new Array(5000).fill('1').map(() => Math.random().toString()); var str = JSON.stringify(array);
Tests:
String.split.map(Number)
str.split(',').map(Number);
JSON.parse
JSON.parse(str);