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BackBone.js MCQs

BackboneJS fetch collection based on parameters using the following code?

Genres.Collection = Backbone.Collection.extend({ url: function() { return 'path to my json'; }, initialize: function(opts) { opts = opts || {}; this.genre = opts.genre || 'rock'; }, parse: function(response){ return response.data.genres[this.genre]; } });

Genres.Collection = Backbone.Collection.extend({ url: function() { return 'path to my json'; }, parse: function(response, genre){ return response.data.genres[genre]; // when I do: return response.data.genres.rock; // I get all artists from the genre "rock". // but I want the response to be based on the variable "genre" } });

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Answer

Correct Answer: Genres.Collection = Backbone.Collection.extend({ url: function() { return 'path to my json'; }, initialize: function(opts) { opts = opts || {}; this.genre = opts.genre || 'rock'; }, parse: function(response){ return response.data.genres[this.genre]; } });

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