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Reverse Number

Reverses the digits of a given number while preserving its sign.

reverseNumber

The reverseNumber function reverses the digits of a given number or numeric string. For negative numbers, the negative sign is preserved.

Function Signature

function reverseNumber(num: Numeric): number

Parameters

  • num (Numeric): The number (or numeric string) to be reversed.

Return Value

  • number: The number with its digits reversed. If the input number is negative, the negative sign is preserved.

Example Usage

playground.ts

Notes

  • The function uses Math.abs to safely handle negative values.
  • It converts the number to a string, reverses the characters, and parses it back to a number.

Last updated: Sun, Jun 14, 2026 07:06:16AM (UTC)

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