Backbone.JS ValidationError()

The Backbone.JS ValidationError() model is used to display an error, in case if a validation fails or after an invalid event is triggered. Syntax: Model.ValidationError Example: Example Output: Enter the correct age. Explanation: Since we set the value of student_age less than 10, hence it returned a Validation Error message.

Backbone.JS Destroy()

The Backbone.JS Destroy() model destroys or removes a model from the server. Syntax: Model.Destroy (options) Parameters: options: This parameter is used to specify the options like id, name etc. for a model. Example: Model Example Output: create: {“msg1″:”HELLO WORLD.”,”msg2″:”Welcome.”} delete: {“msg1″:”HELLO WORLD.”,”msg2″:”Welcome.”,”id”:100} Explanation: In the above example, the properties of a model are created, saved … Read more

Backbone.JS Save()

The Backbone.JS Save() model is used to read and save the data of the model every time when it is called. Syntax: Model.Save (attributes, options) Parameters: attributes: This parameter is used to specify the properties of a model. options: This parameter is used to specify the options like id, name etc. for a model. Example: … Read more

Backbone.JS Fetch()

The Backbone.JS Fetch() model is used to delegate sync() method in the model in order to accept the data from the server. Syntax: Model.Fetch( options) Parameters: options: This parameter is used to specify the options like name, id, etc. Example: Example Output: read: {“Subject”:”Introduction”,”MSG”:”HELLO WORLD!”} Explanation: The Fetch() model fetched the data from the server.

Backbone.JS Sync()

The Backbone.JS Sync() model communicates with the server and also represents state of a model. Syntax: Model.Sync (method, model, options) Parameters: method: This parameter is used to specify the create, read, update and delete operations, also called as the CRUD operations. model: This parameter is used to save the data on the model. options: This … Read more

Backbone.JS toJSON()

The Backbone.JS toJSON() model is used to get a copy of the attributes as an object for JSON stringification. Syntax: Model.toJSON (options) Parameters: options: This parameter is used to specify options like the variable name and id. Example: Example Output: {“subject”:”Gratitude”,”msg”:”Thanks for everything.”} Explanation: A copy of the attributes is returned as an object for … Read more

Backbone.JS Defaults()

The Backbone.JS Defaults() model is used to set a default value to a model. Syntax: Model.Defaults Example: Example Output: Thanks for everything. Explanation: The Defaults set a default value for the SUBJECT and MSG of the model.

Backbone.JS Changed()

The Backbone.JS Changed() model is used to change all the attributes that have been set by using set() method. Syntax: Model.Changed Example: Example Output: Original Message: HELLO WORLD Changed Message: WELCOME ALL Explanation: Here the msg attribute of a model is Changed.

Backbone.JS Attributes()

The Backbone.JS Attributes() model is used to define the property of a model. Syntax: Model.Attributes Example: Example Output: HELLO WORLD! Explanation: The property of a model is defined by the Attributes.

Backbone.JS CID()

The Backbone.JS CID() model is used to uniquely identify the model on the client. Syntax: Model.CID Example: Client id Example Output: Before setting unique identifier ID: undefined Before setting unique identifier CID: c1 After setting unique identifier ID: 1 After setting unique identifier CID: c2 Explanation: CID is an automatically generated client ID by the … Read more