Answer & Solution
Answer: Option B
Solution:
The !== operator checks both value and type inequality.
Q
Which operator checks if two values are not equal and also checks for type?
Related Questions on Average
What is the result of the expression 3 * '3'?
A). 9
B). 9
C). 33
D). NaN
What is the result of the expression 5 + '5'?
A). 10
B). 55
C). 55
D). NaN
What is the result of '5' - 2?
A). 3
B). 3
C). 03-May
D). NaN
What does the typeof operator return for a function?
A). function
B). object
C). undefined
D). method
What is the result of 5 === '5'?
A). 1
B). 0
C). 1
D). 0
What is the value of the expression null == undefined?
A). 1
B). 0
C). null
D). undefined
What is the result of true + false?
A). 0
B). 1
C). truefalse
D). NaN
Which of the following operators can be used to compare two values, including type comparison?
A). ==
B). =
C). ===
D). !==
Which of the following is a logical operator in JavaScript?
A). &&
B). ||
C). !
D). All of the above
What does the + operator do when used with two numbers?
A). Concatenates them as strings
B). Adds them
C). Multiplies them
D). Subtracts them