<html>
<body>
<script type="text/javascript">
function Palindrome() {
var revStr = "";
var str = document.getElementById("str").value;
var i = str.length;
for(var j=i; j>=0; j--) {
revStr = revStr+str.charAt(j);
}
if(str == revStr) {
alert(str+" -is Palindrome");
} else {
alert(str+" -is not a Palindrome");
}
}
</script>
<form >
Enter a String/Number: <input type="text" id="str" name="string" /><br />
<input type="submit" value="Check" onclick="Palindrome();"/>
</form>
</body>
</html>
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