Answer & Solution
Answer: Option A
Solution:
In JavaScript, null and undefined are loosely equal (==), but not strictly equal (===).
Q
What is the value of the expression null == undefined?
Related Questions on Average
Which of the following is a logical operator in JavaScript?
A). &&
B). ||
C). !
D). All of the above
Which operator checks if two values are not equal and also checks for type?
A). !=
B). !==
C). <
D). >
What does the !! operator do to a value?
A). Negates the value
B). Converts the value to its boolean equivalent
C). Increments the value by 2
D). No effect
Which operator would you use to determine the remainder of a division in JavaScript?
A). /
B). %
C). //
D). \
What does the typeof operator return for an array?
A). object
B). array
C). list
D). collection
What does the typeof operator return for a function?
A). function
B). object
C). undefined
D). method
Which operator is used for string concatenation in JavaScript?
A). -
B). *
C). +
D). /
What does typeof NaN return?
A). number
B). NaN
C). undefined
D). object
What is the output of 10 > 5 && 5 < 2?
A). 1
B). 0
C). 1
D). 0
What is the result of the expression 3 * '3'?
A). 9
B). 9
C). 33
D). NaN