Run results for: Reverse a number

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:143.0) Gecko/20100101 Firefox/143.0

Browser: Firefox 143

Operating system: Linux

Device Platform: Desktop

Date tested: 6 months ago

Benchmark engine: Benchmark.js

reverseNum numerically

166K/s

The String way

161K/s

View exact numbers

Test name	Executions per second
✓ reverseNum numerically	165,601 Ops/sec
The String way	160,650 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)