Palindrome program in javascript

function checkPalindrome(i){

let sum=0,r=0,n=i;

while(i>0){
r=i%10;
sum=sum*10+(r);

i=parseInt(i/10)
console.log(sum,r,i)
}
console.log(n,”===”,sum)
if(n===sum){
return “Palindrome number “
}else{
return “not Palindrome number “
}
}

// console.log(checkArmstrongNumber(407))

console.log(checkPalindrome(121))