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 is the result of 5 === '5'?
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
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
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
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
Which of the following is not a comparison operator?
A). ==
B). >
C). <=
D). =
What is the result of true + false?
A). 0
B). 1
C). truefalse
D). NaN
Which operator is used to assign a value to a variable in JavaScript?
A). =
B). ==
C). ===
D). =>