code in javscript



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code in javscript
2 Answer(s)      8 years ago
Posted in : JSP-Servlet
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September 20, 2008 at 3:12 PM

Hi friend,

Code to Javascript Pallindrome Checker

<title>JavaScript Palindrome</title>
<script type="text/javascript" language="JavaScript">

function revStr(str)
var revStr = "";
var strlen = str.length;
for (var i = strlen ; i > 0 ; i--)
revStr += str.charAt(i-1)
return revStr ;

function checkPalindrome(str){
return (str == revStr(str));
function strVal()
var inStr = document.palinForm.strIn.value;
document.palinForm.strOut.value = revStr(inStr);
document.palinForm.resultStr.value = checkPalindrome(inStr);
return true;


<body bgcolor="white">

<h1>JavaScript Palindrome Checker</h1>

<form name="palinForm">
<b>Enter Word:</b><input type="text" name="strIn"><br><br>
<b>Reverse Word:</b><input type="text" name="strOut"><br><br>
<b>Result:</b><input type="text" name="resultStr"><br><br>
<input type="button" name="check" value="Check" onclick="strVal();"><br>


September 20, 2008 at 3:42 PM

Hai Sarika

Sorry for giving Answer

Try this code

<title>String comparisons</title>
<script type="text/javascript" language="javascript">
<!-- //
onload = function(){
var firstString = new String("eye");
var secondString = new String("eye");
var reverse="";
var len = secondString.length;

var index;

for(index=len-1;index>=0; index--)
reverse= reverse.concat(secondString.charAt(index));

var comparison = (firstString==reverse);

// -->




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