![]() It resets the collection and populates with new array of models or empty the entire collection. It removes a model or array of models from the collection. It is used to add a model or array of models to the collection. It specifies the state of the model and uses backbone.sync to display the state of the collection. It returns the copy of the attributes of a model using JSON format in the collection. It specifies the array of models which are created inside of the collection. Initialize function is defined to create a model instance. You need to override the model property of the collection class. It is used to extend the backbone's collection class to create an own collection. It facilitates you to listen for changes to specific attributes in any model in a collection.įollowing is a list of methods that can be used to manipulate the Backbone.js collection: Index If an event is triggered on a model in a collection then this will also be triggered on the collection directly. You can create your own collection by extending the backbone's collection class. It provides helper functions to perform aggregation and computation against a list of models. It handles the loading and saving of new models to the server. It is used to deal with a group of related models. ![]() A collection is an ordered set of models. But take note that you don’t actually need to specify that in the Backbone model: they’re populated by JSON data, either from the server or from the client. Let’s first go through all the Backbone related code, and then tackle the Rails code (which is much simpler). So, for example, you can tell it to load all the vendor javascript files before loading the application specific files. It also allows you to specify load ordering. I like to use Jammit to deliver and package the CSS and Javascript files. Notice how the MVC directories mirror the Rails MVC directories. For the Backbone files, I like to create another set of MVC directories underneath the javascript directory: app/ For our Rails project, we have the usual MVC directory structure underneath the apps directory.
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