added an algo for checking the string i palindrome or not (TheAlgorithms#1366)

Co-authored-by: madhuredra <madhuredra.tiwari@zemosolabs.com>

Author: dev-madhurendra

Maths/Palindrome.js

@@ -45,4 +45,17 @@ const PalindromeIterative = (string) => {
  return true
 }
 
-export { PalindromeIterative, PalindromeRecursive }
+/**
+ *
+ * Checks if a string is a palindrome.
+ * @author dev-madhurendra
+ * @param {string} str - The string to check.
+ * @returns {boolean} True if the string is a palindrome, false otherwise.
+ *
+ * @example
+ * const isPalindrome = checkPalindrome('racecar'); // Returns true
+ * const isNotPalindrome = checkPalindrome('hello'); // Returns false
+ */
+const checkPalindrome = (str) => str.replace(/\s/g, '') === str.replace(/\s/g, '').split('').reverse().join('')
+
+export { PalindromeIterative, PalindromeRecursive, checkPalindrome }

Maths/test/Palindrome.test.js

@@ -1,4 +1,4 @@
-import { PalindromeRecursive, PalindromeIterative } from '../Palindrome'
+import { PalindromeRecursive, PalindromeIterative, checkPalindrome } from '../Palindrome'
 
 describe('Palindrome', () => {
  it('should return true for a palindrome for PalindromeRecursive', () => {
@@ -13,4 +13,13 @@ describe('Palindrome', () => {
  it('should return true for a non-palindrome for PalindromeIterative', () => {
  expect(PalindromeIterative('JavaScript')).toBeFalsy()
  })
+
+ it.each([
+ ['radar', true],
+ ['hello', false],
+ ['r', true],
+ [' racecar ', true]
+ ])('should return value is palindrome or not', (value, expected) => {
+ expect(checkPalindrome(value)).toBe(expected)
+ })
 })