Backbone.JS ChangedAttributes()

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The Backbone.JS ChangedAttributes() model is used to get the model’s attributes that have changed since the last set and becomes false if there are no attributes.

Syntax: 

Model.ChangedAttributes (attributes)

Parameters:
attributes: This parameter is used to specify the properties of a model.

Example: 

  

  
Example

Output: 

Changed attributes: {"sub":"Just another Example.","msg":"Hello World."}

Explanation:
In the above example, the attributes ‘msg’ and ‘sub’ of a model X has changed.