Answer & Solution
Answer: Option C
Solution:
JavaScript performs implicit type conversion when adding booleans, treating true as 1 and false as 0.
Q
What is the result of the expression true + false in JavaScript?
Related Questions on Average
Which primitive value represents absence of value or no value assigned?
A). undefined
B). null
C). 0
D). 'undefined'
What is the data type of the value undefined in JavaScript?
A). String
B). Object
C). Undefined
D). Number
What does the Symbol data type represent in JavaScript?
A). A unique identifier
B). A number
C). A boolean value
D). An object
What is the data type of the value NaN in JavaScript?
A). Number
B). String
C). Object
D). Undefined
Which of the following is not a primitive value in JavaScript?
A). Number
B). Boolean
C). Object
D). String
What is the result of the expression undefined + null in JavaScript?
A). undefined
B). null
C). 0
D). Error
What is the result of the expression 5 + '5' in JavaScript?
A). 10
B). '55'
C). '10'
D). Error
Which of the following is a primitive data type in JavaScript?
A). Array
B). Object
C). Function
D). String
What happens when you try to access a variable that has not been declared in JavaScript?
A). SyntaxError is thrown
B). ReferenceError is thrown
C). TypeError is thrown
D). Undefined
What is a primitive value in JavaScript?
A). A complex data structure
B). A basic data type
C). A function
D). An array