Beginner
JavaScript
Q12 / 100
What is the difference between null and undefined?
Correct! Well done.
Incorrect.
The correct answer is B) undefined means a variable is declared but not assigned; null is an intentional absence of value
B
Correct Answer
undefined means a variable is declared but not assigned; null is an intentional absence of value
Explanation
JavaScript sets uninitialized variables to undefined. null is explicitly assigned to represent "no value." typeof undefined === "undefined"; typeof null === "object".
Progress
12/100