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Run results for:
Reverse a number
Which is the faster way to reverse a number in JS?
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<iframe src="https://measurethat.net/Embed?id=607570" 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/135.0.0.0 Safari/537.36 Edg/135.0.0.0
Browser:
Chrome 135
Operating system:
Windows
Device Platform:
Desktop
Date tested:
11 months ago
Test name
Executions per second
reverseNum numerically
283710.2 Ops/sec
The String way
258820.7 Ops/sec
Tests:
reverseNum numerically
let num = 456 var r = 0; while (num) { r *= 10; r += num % 10; num = Math.floor(num / 10); } console.log(r)
The String way
let num = 456 Number(num.toString().split('').reverse().join('')) console.log(num)