function palindrome (par) {

  let arr = par.split('');



  if (diapazon(arr) === false) {

    console.log(`Password must be between 6 and 10 characters`);

  }


  if (onlyLetAndDig(arr) === false) {

    console.log(`Password must consist only of letters and digits`);

  }


  if (twoDigits(arr) === false) {

    console.log(`Password must have at least 2 digits`);

  }



if (diapazon(arr) && onlyLetAndDig(arr) && twoDigits(arr)) {

    console.log(`Password is valid`);

}


    function diapazon (arr2) {

if (arr2.length >= 6 && arr2.length <= 10) {

  return true;

} else {

  return false;

}

    }


    function twoDigits (arr3) {

      arr3 = arr3.map(Number);


     let digits = arr3.filter(el => el !== NaN ? el : false);

      if (digits.length >= 2) {

        return true;

      } else {

        return false;

      }

    }


    function onlyLetAndDig (arr4) {


     let bool = /^[a-z0-9]+$/i.test(arr4.join(''));

      if (bool) {

        return true;

      } else {

        return false;

      }

    }


}