Write a JavaScript program to check whether a given string is palindrome or not.
<html>
<body>
<h1>Palindrome</h1>
Enter String: <input type="text" id="txt" />
<input type="button" value="Check" onClick=checkPalindrome()/>
<p id="result"></p>
<script>
function checkPalindrome() {
var str = document.getElementById('txt').value;
const len = str.length;
var flag = 1;
for (var i = 0; i < len / 2; i++) {
if (str[i] !== str[len - 1 - i]) {
flag = 0;
}
}
if (flag == 1) {
document.getElementById("result").innerHTML = "It is a palindrome";
}
else {
document.getElementById("result").innerHTML = "It is not a palindrome";
}
}
</script>
</body>
</html>
Output
