Palindrome Program
<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 == "") {
alert("Please Enter a number or some text");
}
else if (str == revStr) {
alert(str + " is Palindrome");
} else {
alert(str + " is not a Palindrome");
}
}
</script>
<form>
Enter a number/string to check Palindrome or Not : <input type="text" id="str" name="string" /> <br />
<input type="button" value="Check" onclick="Palindrome();" />
</form>
</body>
</html>