From 7584214c69268de277c0f0ea43348455a8b62642 Mon Sep 17 00:00:00 2001
From: Paulson J Paul <paulsonstech@gmail.com>
Date: Wed, 20 Jan 2021 12:18:46 +0530
Subject: [PATCH] feat(strings): Add Palindrome Checker for JavaScript

---
 strings/README.md        |  4 ++++
 strings/js/palindrome.js | 22 ++++++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 strings/js/palindrome.js

diff --git a/strings/README.md b/strings/README.md
index 362cc48a..e7637b20 100644
--- a/strings/README.md
+++ b/strings/README.md
@@ -3,3 +3,7 @@
 ### C or C++
 
 1. [Palindrome Check](c-or-cpp/palindrome.c)
+
+### JavaScript
+
+1. [Palindrome Check](js/palindrome.js)
diff --git a/strings/js/palindrome.js b/strings/js/palindrome.js
new file mode 100644
index 00000000..37516755
--- /dev/null
+++ b/strings/js/palindrome.js
@@ -0,0 +1,22 @@
+// JavaScript Palindrome Checker: Checks whether a word is the same in reverse. Ignores punctuation, capitalization & spaces.
+
+function isPalindrome(str) {
+    // First convert the string into proper alpha-numeric word
+    let properStr = str
+        .replace(/[_\W]/g, "")
+        .toLowerCase();
+    
+    // Now reverse the proper string
+    let reverseStr = properStr
+        .split("")
+        .reverse()
+        .join("");
+    
+    // Finally compare the proper string and reverse string and return true or false
+    return properStr === reverseStr;
+}
+
+// Output to the console
+console.log(isPalindrome("eye"));
+console.log(isPalindrome("Mr. Owl ate my metal worm"));
+console.log(isPalindrome("RAce C*_aR"));
\ No newline at end of file