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
What is the result of 5 === '5'?
A). 1
B). 0
C). 1
D). 0
Which operator is used to assign a value to a variable in JavaScript?
A). =
B). ==
C). ===
D). =>
Which operator is used for string concatenation in JavaScript?
A). -
B). *
C). +
D). /
Which of the following is a logical operator in JavaScript?
A). &&
B). ||
C). !
D). All of the above
What is the result of '5' - 2?
A). 3
B). 3
C). 03-May
D). NaN
What is the value of the expression null == undefined?
A). 1
B). 0
C). null
D). undefined
What is the result of the expression 3 * '3'?
A). 9
B). 9
C). 33
D). NaN
Which operator would you use to determine the remainder of a division in JavaScript?
A). /
B). %
C). //
D). \
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