Question

What does the NamedNodeMap object represent in the HTML DOM?

(a) Unordered collection of elements

(b) Unordered collection of attributes

(c) Unordered collection of nodes

(d) Unordered collection of arrays

This question was posed to me by my college professor while I was bunking the class.

This intriguing question comes from HTML DOM topic in section Caching, Debugging and Animation of JavaScript

Answer 1

Correct answer is (d) Unordered collection of arrays

For explanation: In the HTML DOM, the NamedNodeMap object represents an unordered collection of an elements attribute nodes. The nodes in the NamedNodeMap can be accessed through their name.