No-Library (pure JS), HTML, CSS, JavaScript
Retrieve an object's attribute either directly from the object, or from the object's this.options, with this.options taking precedence. All Marionette Classes, such as the Views, come with this method.
A handy function to pluck certain options and attach them directly to an instance. All Marionette Classes, such as the Views, come with this method.
Determines whether the passed-in node is a child of the document or not.
Backbone's extend function is a useful utility to have, and is used in various places in Marionette.