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Question 174

In JavaScript, typeof null returns:

  1. A"number"
  2. B"undefined"
  3. C"null"
  4. D"object"
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Correct answer: (D) "object"

Explanation

A long-standing JavaScript quirk: typeof null is "object".

From DSSSB TGT Computer Science Full Mock Test 1

This is question 174 of DSSSB TGT Computer Science Full Mock Test 1. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.