function isPalindrome() {
let n = 123321, number, d, reverse;
reverse = 0;
n = number;
do {
d = number % 10;
reverse = (reverse * 10) + d;
number = number / 10;
} while (number != 0);
if (n == reverse) console.log("полиндром");
else console.log("не полиндром");
}
console.log(isPalindrome())