Answer & Solution
Answer: Option B
Solution:
In JavaScript, true is converted to 1 and false is converted to 0, so true + false equals 1.
Q
What is the result of true + false?
Related Questions on Average
Which of the following is not a comparison operator?
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 of the following operators can be used to compare two values, including type comparison?
A). ==
B). =
C). ===
D). !==
What is the result of '5' - 2?
A). 3
B). 3
C). 03-May
D). NaN
What does the + operator do when used with two numbers?
A). Concatenates them as strings
B). Adds them
C). Multiplies them
D). Subtracts them
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 is used for string concatenation in JavaScript?
A). -
B). *
C). +
D). /
What is the result of the expression 3 * '3'?
A). 9
B). 9
C). 33
D). NaN
What is the result of 10 % 3 in JavaScript?
A). 0
B). 1
C). 2
D). 3