Question

What is the purpose of the method item()?

(a) Returns node after the specified index

(b) Returns node before the specified index

(c) Returns node at specified index

(d) Returns the node following the specified node

I got this question during a job interview.

This intriguing question comes from Node Operations in JavaScript topic in chapter Document Object Model and Event Handling in Javascript of JavaScript

Answer 1

The correct option is (c) Returns node at specified index

To elaborate: The method item() returns the node at the specified index in a node list. The nodes are sorted as they appear in the source code, and the index starts at 0.A Node object’s collection of child nodes is an example of a NodeList object.