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

dev-madhurendra · madhuredra · web-flow · commit 6362cc967a43 · 2023-09-23T21:30:10.000+05:30
Co-authored-by: madhuredra &lt;madhuredra.tiwari@zemosolabs.com&gt;
diff --git a/Maths/Palindrome.js b/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 }
diff --git a/Maths/test/Palindrome.test.js b/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)
+  })
 })
