Question

What is the purpose of the method createDocumentFragment()?

(a) Creates a fragment object

(b) Creates a document fragment

(c) Creates imaginary node object

(d) Create a node fragment

I had been asked this question in final exam.

Enquiry is from Script Loading topic in division Invocation and Performance Navigation of JavaScript

Answer 1

Correct choice is (c) Creates imaginary node object

Explanation: The createDocumentFragment() method creates a imaginary Node object, with all the properties and methods of the Node object. DocumentFragments are DOM Nodes. They are never part of the main DOM tree.