index.html

<!DOCTYPE HTML>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
    <title>Fullscreen Dijit</title>
    <link rel="stylesheet" type="text/css" href="http://servicesbeta.esri.com/jsapi/arcgis/3.4/js/esri/css/esri.css">


    <style>
        body{
            margin:40px;
            padding:20px;
        }
        .container{
            position:relative;
            padding: 10px;
            border: 1px solid #eee;
            -webkit-border-radius: 3px;
            border-radius: 3px;
        }
        #map{
            width:100%;
            height: 500px;
        }
        #fullscreen{
            position:absolute;
            z-index: 4;
            top:20px;
            right:20px;
        }
        .fs .toggle{
            width: 30px;
            height: 30px;
            border: 2px solid #666666;
            -webkit-user-select: none;
            -webkit-border-radius: 5px;
            border-radius: 5px;
            cursor:pointer;
        }
        .fs .enter{
            background: #fff url(images/fullscreen.png) no-repeat center center;
        }
        .fs .exit{
            background: #fff url(images/fullscreen_exit.png) no-repeat center center;
        }
    </style>


    <script type="text/javascript">
        // get current path
        var pathRegex = new RegExp(/\/[^\/]+$/);
        var locationPath = location.pathname.replace(pathRegex, '');
        // Dojo Config
        var dojoConfig = {
            parseOnLoad: true,
            packages: [
                {
                    name: "modules",
                    location: locationPath + '/js/'
                }
            ]
        };
    </script>


    <script src="http://servicesbeta.esri.com/jsapi/arcgis/3.4" type="text/javascript"></script>
    <script type="text/javascript">
        require(["esri/map", "modules/FullScreenMap"], function(Map, FullScreenMap){

            var myMap = new esri.Map("map", {
                center: [-56.049, 38.485],
                zoom: 3,
                basemap: "streets"
            });


            var fullscreen = new FullScreenMap({
                map: myMap
            }, "fullscreen");
            fullscreen.startup();


            fullscreen.watch("fullscreen", function(){
                console.log("fullscreen: " + fullscreen.get("fullscreen"));
            });


        });
    </script>


</head>
<body>


    <div class="container">
        <div id="map" class="map">
            <div id="fullscreen"></div>
        </div>
    </div>


</body>
</html>