Collage lab book

Write a JS program to accept a number from user and check if the entered number is palindrome

function checkPalindrome(string) {
  const len = string.lenght;

  for (let i = 0; i < len / 2; i++) {
    if (string[i] !== string[len - 1 - i]) {
      return "It is not paloidrome";
    }
  }
}

const string = prompt("Enter a string : ");
const value = checkPalindrome(string);
console.log(value);