How does Backbone.js decide if it should use POST/GET/ Request to the Server and what methods Backbone has reserved for these Operations? - Backbone Quiz

Backbone - Quiz(MCQ)

How does Backbone.js decide if it should use POST/GET/ Request to the Server and what methods Backbone has reserved for these Operations?

A)

If the id attribute of the model is null, Backbone.js sends a POST request to the urlRoot of the Server using the save() method.

B)

If the id attribute of the model is not null, Backbone.js sends a PUT request instead of a POST request using the save() method.

C)

If we instantiate a model with an id, Backbone.js automatically performs a GET request to the urlRoot + '/id' using the fetch() method.

D)

All of the Above.

Correct Answer : All of the Above.

Recently Updated in Backbone Questions

Which code can you use for the deleteLists?

A)

deleteList: function() { if (confirm(delete a list?')) { bTask.views.activeListMenuItem.model.destroy(); } return false; }

B)

deleteList: function() { if (confirm(delete a list?')) { bTask.models.activeListMenuItem.model.destroy(); } return false; }

C)

deleteList: function() { if (confirm(delete a list?')) { bTask.views.activeListMenuItem.model.removeAll(); } return false; }

D)

None of the above

Correct Answer : deleteList: function() { if (confirm(delete a list?')) { bTask.views.activeListMenuItem.model.destroy(); } return false; }

How can an event be binded to an object?

A)

object.listen(event,callback)

B)

object.on(event, callback)

C)

object.trigger(event,callback)

D)

object.addListener(event,callback)

Correct Answer : object.on(event, callback)

How can a set of models be retrieved from the server and into the collection when they arrive?

A)

collection.get()

B)

collection.fetch()

C)

collection.getJSON(url)

D)

collection.retrive()

Correct Answer : collection.retrive()

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