Question

How are windows, tabs, iframes, and frames treated according to javascript?

(a) They are all browsing contexts

(b) They are all browsing information

(c) They are all Window contexts

(d) They are all Window objects

This question was addressed to me in a job interview.

This is a very interesting question from Error Handling in section Document Object Model and Event Handling in Javascript of JavaScript

Answer 1

The correct option is (d) They are all Window objects

Explanation: Client-side JavaScript makes very little distinction between windows, tabs, iframes, and frames they are all browsing contexts, and to JavaScript, they are all Window objects.