What is Converter in Backbone.js? - Backbone Quiz

Backbone - Quiz(MCQ)

What is Converter in Backbone.js?

A)

Converters are the type of compilers that are used to convert one programming language into another.

B)

The converter is an interface describing a Java class that can perform Object-to-String and String-to-Object conversions between model data objects and a String representation of those objects.

C)

When a model's attribute is copied to an HTML element or when an HTML element's value is copied into a model's attribute, a function is called; this function is known as a converter in Backbone Js.

D)

None of the above.

Correct Answer : When a model's attribute is copied to an HTML element or when an HTML element's value is copied into a model's attribute, a function is called; this function is known as a converter in Backbone Js.

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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