Backbone - Interview Questions and Answers

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Interview :: Backbone

21) What are the functionalities of parse in Backbone.js?

The data, which is returned from the server in response to a fetch or store operation, is called parse. It is used to return the model's data by passing into the response object.

  <script type="text/javascript">        var myData ={           "values": [{               "fname": "Ratan",               "lname": "Tata",               "country": "India"            }]        };        var Person  = Backbone.Model.extend({           parse : function(response, options){              document.write(JSON.stringify(response));           }        });        var person = new Person(myData, {parse: true});        </script>   	 

22)

What is the function of setElement?

The Backbone.js setElement method is used to apply the backbone view to a different DOM element for example

  [removed]           var ViewDemo = Backbone.View.extend({                 events: {                 'change input': 'sayHi'              },                 initialize: function() {                  this.setElement($('#myview'));                 },                               sayHi: function() {                 [removed]('JavaTpoint: A solution of all technology...');              }           });              var viewdemo = new ViewDemo;           [removed]     

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