Hello Web(基本 Hello World 类型设置)

<html>
    <head>
        <script src="https://code.jquery.com/jquery-3.1.0.min.js"></script>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>

        <script src="https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.3.3/backbone-min.js"></script>
        
        <script>
            $( function(){
                ( function(){
                    var View = Backbone.View.extend( {
                        "el": "body",
                        "template": _.template( "<p>Hello, Web!</p>" ),
    
                        "initialize": function(){
                            this.render();
                        },
                        "render": function(){
                            this.$el.html( this.template() );
                        }
                    } );
    
                    new View();
                })()
            } );
        </script>
    </head>
    <body>
    </body>
</html>