Which models can be created by extending Backbone? - Backbone Quiz

Backbone - Quiz(MCQ)

Which models can be created by extending Backbone?

A)

var Todo = Backbone.Model.extend({}); var todo1 = new Todo(); console.log(JSON.stringify(todo11)); var todo = new Todo({ title: 'Check the attributes of both model instances in the console.', completed: true }); console.log(JSON.stringify(todo2));

B)

var Todo = Backbone.Model.extend({}); var todo1 = new Todo(); console.log(JSON.stringify(todo1)); var todo2 = new Todo({ title: 'Check the attributes of both model instances in the console.', completed: true }); console.log(JSON.stringify(todo2));

C)

var Todo = Backbone.Model.extend({}); var todo1 = new Todo(); console.log(JSON.stringify(todo11)); var todo = new Todo({ title: 'Check the attributes of both model instances in the console.', completed: true }); console.log(JSON.stringify(todo2));

D)

All of the above

Correct Answer : var Todo = Backbone.Model.extend({}); var todo1 = new Todo(); console.log(JSON.stringify(todo1)); var todo2 = new Todo({ title: 'Check the attributes of both model instances in the console.', completed: true }); console.log(JSON.stringify(todo2));

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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