Answer & Solution
Answer: Option A
Solution:
When the - operator is used, JavaScript tries to convert the string to a number, so '5' - 2 evaluates to 3.
Q
What is the result of '5' - 2?
Related Questions on Average
What does the typeof operator return for a function?
A). function
B). object
C). undefined
D). method
Which of the following operators can be used to compare two values, including type comparison?
A). ==
B). =
C). ===
D). !==
Which operator is used to assign a value to a variable in JavaScript?
A). =
B). ==
C). ===
D). =>
What does typeof NaN return?
A). number
B). NaN
C). undefined
D). object
What does the + operator do when used with two numbers?
A). Concatenates them as strings
B). Adds them
C). Multiplies them
D). Subtracts them
Which of the following is not a comparison operator?
A). ==
B). >
C). <=
D). =
What is the result of the expression 3 * '3'?
A). 9
B). 9
C). 33
D). NaN
What does the typeof operator return for an array?
A). object
B). array
C). list
D). collection
What is the result of 10 % 3 in JavaScript?
A). 0
B). 1
C). 2
D). 3
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