diff --git a/Maths/NumberOfDigits.js b/Maths/NumberOfDigits.js
index 6414c65deb..f2ef656433 100644
--- a/Maths/NumberOfDigits.js
+++ b/Maths/NumberOfDigits.js
@@ -9,4 +9,14 @@
const numberOfDigit = (n) => Math.abs(n).toString().length
-export { numberOfDigit }
+/**
+ * Returns the number of digits of a given integer.
+ *
+ * @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 }
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)
+ })
})
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