maryluis
/
homeworks_Second_modul


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>////////////////
        //blackBelt
        var predictArray = {
            1111: 1
        };
        var historyArr = [1, 1, 1, 1];
        var newValue = Math.round(Math.random());
        let newKey = "1111"
        let predictKey = []
        function blackBelt() {
            debugger
            var yourMove = +prompt("Your move 0 or 1");
            var answer;
            predictArray[newKey] = +yourMove; 
            if (yourMove === 1 || yourMove === 0) {
                if (+newValue === yourMove){
                    answer = confirm("I knew it. Let's try again");
        
                } else {
                    answer = confirm ("You win. Let's try again");
        
                }
                historyArr.shift();
                historyArr.push(yourMove); 
                newKey = "" + historyArr[0]+historyArr[1]+historyArr[2]+historyArr[3]
                if(predictKey.indexOf(newKey) == -1){
                    newValue = Math.round(Math.random());
                } else {
                    newValue = predictArray[newKey]
                }
                predictKey = Object.keys(predictArray)
                if(answer == true) {
                    return blackBelt()
                }
            } else {
                alert ("Error. Try again")
            }
        }
        blackBelt();
        </script>
</head>
<body>
    
</body>
</html>