The Backbone.JS Reset() collection method is used to reset a collection and populate it with a new array of models or empty the entire collection. Syntax: Backbone.Collection.Reset ( models, options ) Parameters: models: This parameter is used to specify the models to reset. options: This parameter is used to contain the NULL values. Example: Example … Read more

The Backbone.JS Remove() collection method removes a model or array of models from a collection. Syntax: Backbone.Collection.Remove ( models, options ) Parameters: models: This parameter is used to specify the models to be removed from the collection. options: This parameter is used to specify the model types. Example: Example Output: Number of added numbers : … Read more

The Backbone.JS toJson() collection method is used to get a copy of the attributes of a model using JSON format in the collection. Syntax: Collection.toJson (options) Parameters: options: This parameter is used to specify the options as collection instance. Example: Example Output: Collection:[{“name”:”Jim”},{“name”:”Minii”},{“name”:”Tiny”}] Explanation: In the above example, the model ‘X’ includes the default values … Read more

The Backbone.JS Sync() collection method is used to specify the state of the model and to display the state of the collection. Syntax: Backbone.Collection.Sync ( method, collection, options ) Parameters: method: This parameter is used to specify the CRUD operations: create, read, update and delete. collection: This parameter is used to specify the collection containing … Read more

The Backbone.JS Models() collection method is used to specify the array of models which are created inside a collection. Syntax: Collection.Models Example: Example Output: Collection: [{“name”:”Jim”,”age”:10},{“name”:”Mini”,”age”:15}] Explanation: In the above example, the model ‘X’ includes the default values and is extended using the Backbone.Model class, ‘Y’ is a collection instance and The ‘Z.models’ define the … Read more

The Backbone.JS Model() collection method is used to specify the model class. Syntax: Backbone.Collection.model Example: Example Output: Collection: [{“name”:”Tom”,”age”:20}] Explanation: In the above example, the model ‘X’ includes the default values and is extended using the Backbone.Model class, and ‘Y’ is an instance of the collection.

The Backbone.JS Initialize() collection method is used to create a model instance. Syntax: Backbone.Collection.Initialize () Example: Initialize Collection Example Output: Hello World [{“name”:”Jim”,”age”:10}] Explanation: In the above example, the model ‘X’ includes the default values and is extended using the Backbone.Model class. Here, the model instance is invoked by defining the initialize function, and ‘Y’ … Read more

  A set of models is called a collection. The type of model and the instance of properties can be defined for a collection. The loading and saving of new models to the server is handled by a collection along with the feature of providing helper functions aggregation and computation. A collection is created to … Read more

The Backbone.JS PreviousAttributes() model is used to get the state of all the attributes prior to the last change event. Syntax: Model.PreviousAttributes () Example: Example Output: All the previous attributes of the model X before the change are: {“msg1″:”HELLO WORLD.”,”msg2″:”Welcome.”} Explanation: In the above example, all the previous attributes of the model X before the … Read more