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 a logical operator in JavaScript?
A). &&
B). ||
C). !
D). All of the above
Which operator would you use to determine the remainder of a division in JavaScript?
A). /
B). %
C). //
D). \
Which of the following operators can be used to compare two values, including type comparison?
A). ==
B). =
C). ===
D). !==
What is the output of 10 > 5 && 5 < 2?
A). 1
B). 0
C). 1
D). 0
What is the result of the expression 5 + '5'?
A). 10
B). 55
C). 55
D). NaN
What is the result of 5 === '5'?
A). 1
B). 0
C). 1
D). 0
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 typeof operator return for a function?
A). function
B). object
C). undefined
D). method
What does the typeof operator return for an array?
A). object
B). array
C). list
D). collection
What does typeof NaN return?
A). number
B). NaN
C). undefined
D). object