Palindrome Number

var isPalindrome = function(x) {
    if (x <= 1) return true;
    const stringified = x.toString();
    const stringArray = [];
    for (let i=stringified.length-1; i>-1; i--) {
        stringArray.push(stringified[i]);
    }
    return stringified === stringArray.join('') ? true : false;
};

console.log(isPalindrome(101));