Backbone.JS Sync() collection

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 a set of models. options: This parameter is used to specify the success or error messages.

Example:

  

  
Example  
  
  
  
  
  
  
  
  

Output:

Model state:
read: [{"name":"Tom","age":20}]

Explanation: In the above example, sync() method reads and fetches the model data while the fetch() method display the model’s state by delegating the sync() method.

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