Answer & Solution
Answer: Option C
Solution:
The typeof operator returns 'object' for the null value due to a historical bug in JavaScript.
Q
What is the output of typeof null?
Related Questions on Average
What is the result of null == undefined?
A). 1
B). 0
C). Error
D). NaN
What is the data type of 42 in JavaScript?
A). String
B). Boolean
C). Number
D). Object
What will typeof [1, 2, 3] return?
A). array
B). object
C). number
D). list
Which function can convert a number to a string in JavaScript?
A). toString()
B). parseInt()
C). String()
D). Number()
What is the result of null === undefined?
A). 1
B). 0
C). Error
D). NaN
What will typeof NaN return?
A). number
B). NaN
C). undefined
D). object
Which method can be used to convert a string to a number in JavaScript?
A). parseInt()
B). toString()
C). toNumber()
D). parseStr()
Which operator checks both value and type for equality in JavaScript?
A). ==
B). !=
C). ===
D). !==
What is the data type of an array in JavaScript?
A). Array
B). Object
C). Collection
D). List
How do you declare a variable with an undefined value?
A). let x;
B). let x = '';
C). let x = 0;
D). let x = null;