color guessing game.

<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body onload="do_game()">
<script>
var colors =['red','blue','green','yellow','Magenta','cyan','grey','black','brown','white','violet','indigo'];
var target;
var guess;
var count=0;
function do_game() 
{ 
			colors.sort();
            target = Math.floor(Math.random() * colors.length);
            do {
                guess = prompt(
                    "I have a color on my mind\n\n" + colors +
                    "\n\nWhat color is it?"
                )
                count++;
            } while (check_guess());
        }
        function check_guess(){

        	var cg= colors.indexOf(guess);
        	if(cg < 0)
        	alert("Please Enter a valid choice");
        		       	

        	else if(cg> target)        
        	alert("Your color is alphabetically higher than mine");
        		        	

        	else if(cg< target) 
        	alert("Your color is alphabetically lower than mine");

        	else{
        	alert("Congrats! You have guessed the right color\n\n" + "You took" + " " +count + " "+ "no. of guesses");
        		return false;	

        	}
        	return true;
        }
</script>
</body>
</html>

// Code goes here

/* Styles go here */