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

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<!DOCTYPE html>
<html lang="en">
<head>
    <title>Konami Code</title>


</head>
<body>
<h1>Konami Code</h1>


<script src="js/jsQuery.js"></script>
<script>
    "use strict";

    $(document).keyup(function(event){
        console.log(event.keyCode);
    });

    var keysAllowed={
        37:'left',
        38:'up',
        39: 'right',
        40: 'down',
        66:'b',
        65:'a',
        13:'enter'
    };
    //konami code sequences
    var konamiCode=['up','up','down','down','left','right','left','right','b','a','enter'];
    var konamiPosition =0;
    //add keydown event to listener
    document.addEventListener("keydown", function (e){
        var key = keysAllowed[e.keyCode];
        var requiredKey = konamiCode[konamiPosition];
        if(key == requiredKey){
            konamiPosition++;
            if(konamiPosition ===konamiCode.length){
                cheatCode();
                konamiPosition=0;
            }

        }else{
            konamiPosition = 0;
        }
    });
    function cheatCode(){
        alert("You've added 30 lives!" );
        console.log('works');
        var audio = new Audio('http://soundfxcenter.com/video-games/super-mario-bros/8d82b5_Super_Mario_Bros_1_Up_Sound_Effect.mp3');
        audio.play();

        document.body.style.backgroundImage ="url('https://media1.tenor.com/images/8f58743140d832fb773acd3accaded5d/tenor.gif?itemid=4137750')";
    }
</script>
</body>
</html>