codeup-web-exercises/konami.html at main · dandeane1/codeup-web-exercises · GitHub

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<!DOCTYPE html>
<html  lang="en">
<head>
    <title>Konami Code</title>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>
<h1>Konami Code</h1>

<script>
    "use strict";
    let keysEntered = [];
    let konamiCode = [38, 38, 40, 40, 37, 39, 37, 39, 66, 65, 13]; // Konami Code: Up, Up, Down, Down, Left, Right, Left, Right, B, A, Enter

    let backgroundNoColor = "lightblue";
    let backgroundYesColor = "red";

    let playGame = confirm("Do you want to play a game?");

    if (playGame) {
        document.body.style.backgroundColor = backgroundYesColor;
        $(document).keyup(function(event){
            keysEntered.push(event.keyCode);

            if (keysEntered.length > konamiCode.length) {
                keysEntered.shift();
            }

            if (arraysEqual(keysEntered, konamiCode)) {
                alert("You have added 30 lives!");
                // Add your additional actions here
                keysEntered = []; // Reset the keysEntered array
            }
        });
    } else {
        document.body.style.backgroundColor = backgroundNoColor;
        let reason = prompt("Why don't you want to play a game?");
        console.log("Reason: " + reason);
    }

    function arraysEqual(arr1, arr2) {
        if (arr1.length !== arr2.length)
            return false;

        for (let i = 0; i < arr1.length; i++) {
            if (arr1[i] !== arr2[i])
                return false;
        }

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