function password(arr) {
    function length(arr) {
        return arr.length >= 6 && arr.length <= 10;
    }

    function lettersAndDigits(arr) {
        return !!arr.match("^[A-Za-z0-9]+$");
    }

    function atLeast2Digits(arr) {
       let split = arr.split("");
       let counter = 0;
       for (i = 0; i<split.length;i++) {
           if (split[i]>=0) counter++;
       }
       if (counter>=2) return true;
    }

    if (!length(arr)) {console.log("Password must be between 6 and 10 characters")}
    if (!lettersAndDigits(arr)) {console.log("Password must consist only of letters and digits")}
    if (!atLeast2Digits(arr)) {console.log("Password must have at least 2 digits")}
    if (length(arr) && lettersAndDigits(arr) && atLeast2Digits(arr)) {console.log("Password is valid")}

}