Add "palindrome"

Text/03.Check if Palindrome.js

@@ -0,0 +1,13 @@
+/*
+  Checks if the string entered by the user is a palindrome.
+  That is that it reads the same forwards as backwards like “racecar”
+*/
+(function () {
+    var palindrome = function palindrome(integer) {
+        return integer === parseInt(integer.toString().split('').reverse().join(''));
+    };
+})();
+
+// palindrome(1223221) => true
+// palindrome(1222111) => false
+// this case in javascript is very simple!

readme.md

@@ -79,7 +79,7 @@ Text
 
 **Count Vowels** - Enter a string and the program counts the number of vowels in the text. For added complexity have it report a sum of each vowel found.
 
-**Check if Palindrome** - Checks if the string entered by the user is a palindrome. That is that it reads the same forwards as backwards like “racecar”
+[**Check if Palindrome**](https://github.com/quitrk/LearningJS/blob/master/Text/03.%20Check%20if%20Palindrome.js) - Checks if the string entered by the user is a palindrome. That is that it reads the same forwards as backwards like “racecar”
 
 **Count Words in a String** - Counts the number of individual words in a string. For added complexity read these strings in from a text file and generate a summary.
 
@@ -99,7 +99,7 @@ Text
 
 **Random Gift Suggestions** - Enter various gifts for certain people when you think of them. When its time to give them a gift (xmas, birthday, anniversary) it will randomly pick one. *Optional: Suggest places you can get it (link to Amazon page?).*
 
-**Markdown to HTML Converter** - Converts Markdown formatted text into HTML files. Implement basic tags like `p`, `strong`, `em` etc. *Optional: Implement all tags from [Markdown Syntax Docs](http://daringfireball.net/projects/markdown/syntax).* 
+**Markdown to HTML Converter** - Converts Markdown formatted text into HTML files. Implement basic tags like `p`, `strong`, `em` etc. *Optional: Implement all tags from [Markdown Syntax Docs](http://daringfireball.net/projects/markdown/syntax).*
 
 **Regex Query Tool** - A tool that allows the user to enter a text string and then in a separate control enter a regex pattern. It will run the regular expression against the source text and return any matches or flag errors in the regular expression.