Answer & Solution
Answer: Option A
Solution:
Despite being considered a bug in JavaScript, the typeof null returns 'object'.
Q
What will let x = null; console.log(typeof x); output in JavaScript?
Related Questions on Average
Which data type represents a block of reusable code in JavaScript?
A). String
B). Object
C). Function
D). Number
What is the data type of the value true in JavaScript?
A). Number
B). String
C). Boolean
D). Undefined
What does NaN represent in JavaScript?
A). Not a Number
B). Infinity
C). Positive Infinity
D). Negative Infinity
What is the result of 0 / 0 in JavaScript?
A). Infinity
B). 0
C). NaN
D). 1
What will be the result of typeof 'hello' in JavaScript?
A). String
B). Number
C). Undefined
D). Function
Which of these is a complex or reference data type in JavaScript?
A). Number
B). Boolean
C). Object
D). String
What is the data type of the value 'null' (with quotes) in JavaScript?
A). String
B). Number
C). Null
D). Undefined
Which of the following is a primitive data type in JavaScript?
A). Object
B). Array
C). Function
D). Boolean
Which of the following is not a valid data type in JavaScript?
A). Array
B). Symbol
C). Map
D). Tuple
Which data type represents an intentional absence of any value in JavaScript?
A). Null
B). Undefined
C). String
D). Number