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 operator would you use to determine the remainder of a division in JavaScript?
A). /
B). %
C). //
D). \
What is the output of 10 > 5 && 5 < 2?
A). 1
B). 0
C). 1
D). 0
Which of the following is a logical operator in JavaScript?
A). &&
B). ||
C). !
D). All of the above
What is the result of the expression 5 + '5'?
A). 10
B). 55
C). 55
D). NaN
What does the typeof operator return for a function?
A). function
B). object
C). undefined
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What is the result of 5 === '5'?
A). 1
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C). 1
D). 0
Which operator is used for string concatenation in JavaScript?
A). -
B). *
C). +
D). /
Which operator is used to assign a value to a variable in JavaScript?
A). =
B). ==
C). ===
D). =>
What does the typeof operator return for an array?
A). object
B). array
C). list
D). collection
What does the + operator do when used with two numbers?
A). Concatenates them as strings
B). Adds them
C). Multiplies them
D). Subtracts them