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 10 % 3 in JavaScript?
A). 0
B). 1
C). 2
D). 3
Which operator is used to assign a value to a variable in JavaScript?
A). =
B). ==
C). ===
D). =>
Which operator would you use to determine the remainder of a division in JavaScript?
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
What is the result of the expression 3 * '3'?
A). 9
B). 9
C). 33
D). NaN
Which operator is used for string concatenation in JavaScript?
A). -
B). *
C). +
D). /
What is the output of 10 > 5 && 5 < 2?
A). 1
B). 0
C). 1
D). 0
What does the typeof operator return for an array?
A). object
B). array
C). list
D). collection
What is the value of the expression null == undefined?
A). 1
B). 0
C). null
D). undefined
Which of the following is a logical operator in JavaScript?
A). &&
B). ||
C). !
D). All of the above