Palindrome Checker, Check String, Reverse Word

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Javascript Palindrome Checker

About

Simple javascript that allows you to check whether a given word / string is a Palindrome or not. A palindrome is a word or phrase which reads the same forward or reverse direction.

Features

a) Used to reverse the string and check the given word is palindrome or not.
b) The checker returns true or false upon comparision.
c) The script considers spaces, punctuation marks, upper and lower cases.

Demo Checker

Enter a word:

Is the word a palindrom?

©hscripts.com

Code

Javascript Code

<!-- Script by hscripts.com -->
<!-- Copyright of HIOXINDIA -->
<!-- More scripts @www.hscripts.com -->
<script type="text/javascript">
function reverse_string(str){
  var  stri = "";
  var  alen = str.length;
  for (var i = alen ; i > 0 ; i--){
        stri += str.charAt(i-1)
   }
  return stri;
}
function palindrome(str){
         return (str == reverse_string(str));
}
function palindrome_check(){
  var str = document.getElementById('inputstr').value;
  document.getElementById('reversestr').value=reverse_string(str);
  document.getElementById('ispalin').value=palindrome(str);
  return true;
}
</script>

<!-- Script by hscripts.com -->

HTML Code

<table align=center style='border:1px solid green;color: #3D366F;font-size:13px;' cellpadding=5 cellspacing=5>
<tr><td>Enter the word:<input type="text" id="inputstr" size="6"></td></tr>
<tr><td><input type="button" value="Reverse Word" onclick="palindrome_check();"><input type="text" id="reversestr" size="6""></td></tr>
<tr><td>Is the word a palindrom?<input type="text" id="ispalin" size="4" value=""></td></tr>
<tr><td align=center><a href='http://hscripts.com' style='text-decoration:none;font-size:10;color:green;'>&copy;hscripts.com</a></td></tr>
</table>

For customization of this script or any script development, contact us at support@hscripts.com

Usage

a) Copy and paste the javascript code into your HTML page to enable word checker.
b) Here, the function "palindrome_check()" is used to reverse and check the given string is palindrome or not.

License

- The javascript (misspelled as java script) is given under GPL License
- i.e. Free use for those who use the codes as it is.
- Free, if your modification does not remove our copyright information and links.
- Click Here for detailed license information.
- You can purchase the script if your requirements does not meet our GPL License terms.