From 0ccf69578bd7236d789e532eb0807ffbb6441df5 Mon Sep 17 00:00:00 2001 From: madhuredra Date: Wed, 20 Sep 2023 13:27:53 +0530 Subject: [PATCH 1/2] added numberOfDigitsUsingLog method --- Maths/NumberOfDigits.js | 12 +++++++++++- Maths/test/NumberOfDigits.test.js | 11 ++++++++++- 2 files changed, 21 insertions(+), 2 deletions(-) diff --git a/Maths/NumberOfDigits.js b/Maths/NumberOfDigits.js index 6414c65deb..04a0191644 100644 --- a/Maths/NumberOfDigits.js +++ b/Maths/NumberOfDigits.js @@ -9,4 +9,14 @@ const numberOfDigit = (n) => Math.abs(n).toString().length -export { numberOfDigit } +/** + * + * Author : dev-madhurendra + * Returns the number of digits of a given integer + * Resource : https://math.stackexchange.com/questions/2145480/how-does-the-logarithm-returns-the-number-of-digits-of-a-number + * + */ + +const numberOfDigitsUsingLog = (n) => n === 0 ? 1 : Math.floor(Math.log10(Math.abs(n))) + 1 + +export { numberOfDigit, numberOfDigitsUsingLog } diff --git a/Maths/test/NumberOfDigits.test.js b/Maths/test/NumberOfDigits.test.js index 631e2cce36..bf832c8691 100644 --- a/Maths/test/NumberOfDigits.test.js +++ b/Maths/test/NumberOfDigits.test.js @@ -1,4 +1,4 @@ -import { numberOfDigit } from '../NumberOfDigits' +import { numberOfDigit, numberOfDigitsUsingLog } from '../NumberOfDigits' describe('NumberOfDigits', () => { it('should return the correct number of digits for an integer', () => { @@ -8,4 +8,13 @@ describe('NumberOfDigits', () => { it('should return the correct number of digits for a negative number', () => { expect(numberOfDigit(-2346243)).toBe(7) }) + + it.each([ + [0, 1], + [123423232, 9], + [-123423232, 9], + [9999, 4] + ])('should return the correct number of digits in an integer', (value, expected) => { + expect(numberOfDigitsUsingLog(value)).toBe(expected) + }) }) From 3a4b8facc977a3375126658f96945334af2c700f Mon Sep 17 00:00:00 2001 From: madhuredra Date: Wed, 20 Sep 2023 15:58:39 +0530 Subject: [PATCH 2/2] added JSDoc comment --- Maths/NumberOfDigits.js | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/Maths/NumberOfDigits.js b/Maths/NumberOfDigits.js index 04a0191644..f2ef656433 100644 --- a/Maths/NumberOfDigits.js +++ b/Maths/NumberOfDigits.js @@ -10,13 +10,13 @@ const numberOfDigit = (n) => Math.abs(n).toString().length /** + * Returns the number of digits of a given integer. * - * Author : dev-madhurendra - * Returns the number of digits of a given integer - * Resource : https://math.stackexchange.com/questions/2145480/how-does-the-logarithm-returns-the-number-of-digits-of-a-number - * + * @param {number} n - The integer for which to count digits. + * @returns {number} The number of digits in the integer. + * @see https://math.stackexchange.com/questions/2145480/how-does-the-logarithm-returns-the-number-of-digits-of-a-number + * @author dev-madhurendra */ - const numberOfDigitsUsingLog = (n) => n === 0 ? 1 : Math.floor(Math.log10(Math.abs(n))) + 1 export { numberOfDigit, numberOfDigitsUsingLog } pFad - Phonifier reborn

Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.

Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.

Alternative Proxies:

Alternative Proxy

pFad Proxy

pFad v3 Proxy

pFad v4 Proxy