how to make a random number guessing game in javascript

1var userNumber =10;
2var counter = 0;
3var maxTries = 5;
4var randomNumber = Math.floor(Math.random() * userNumber + 1);
5while (attempts != randomNumber){
6    var attempts = prompt("Please pick a number between 1 and " + userNumber);
7    counter += 1;
8    if (counter > maxTries){
9        document.write("You have no more tries left. Press F5 to play again");
10        break
11    }
12    if (attempts == randomNumber){
13        document.write("Congrates you guess the correct number");
14        document.write(" the random number was " + randomNumber);
15        document.write(" It took you " + counter + " attempts to guess the correct number")
16    }
17}