blog - part 2 attach view to html

1.js

var App = new Backbone.Marionette.Application();

App.addRegions({
    primaryRegion: "#primary-region",
});

2.js

Module.Controller = Marionette.Controller.extend({
    start: function() {
        // attach view to existing DOM element at '#primary-view'
        this.view = new Module.View( {el: '#primary-view'} );

        // Use attachView(), not show(), to preserve existing pre-rendered content
        App.primaryRegion.attachView(this.view);
    },
});

3.js

var isFirstView = true;

Module.Controller = Marionette.Controller.extend({
    start: function() {
        if (isFirstView) {
            isFirstView = false;
            this.view = new Module.View( {el: '#primary-view'} );
            // Use attachView(), not show(), to preserve existing pre-rendered content
            App.primaryRegion.attachView(this.view);
        }
        else {
            this.view = new Module.View();
            App.primaryRegion.show(this.view);
        }
    },
});