Answer & Solution
Answer: Option D
Solution:
In JavaScript, 0, '', null, undefined, NaN, and false are falsy values.
Q
Which of the following is a falsy value in JavaScript?
Related Questions on Average
What is the result of null == undefined?
A). 1
B). 0
C). Error
D). NaN
What is the result of typeof undefined?
A). undefined
B). null
C). object
D). number
Which method can be used to convert a string to a number in JavaScript?
A). parseInt()
B). toString()
C). toNumber()
D). parseStr()
What is the result of typeof Symbol('id')?
A). symbol
B). object
C). string
D). undefined
Which operator checks both value and type for equality in JavaScript?
A). ==
B). !=
C). ===
D). !==
What is the output of '5' - 3?
A). 2
B). 2
C). 53
D). Error
What will typeof [1, 2, 3] return?
A). array
B). object
C). number
D). list
What is the data type of true in JavaScript?
A). String
B). Boolean
C). Number
D). Object
Which of the following is not a primitive data type in JavaScript?
A). String
B). Number
C). Object
D). Boolean
What is the output of '5' + 3?
A). 8
B). 53
C). 8
D). Error