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
What is the default value of a variable in JavaScript if it is not initialized?
A). null
B). undefined
C). 0
D). 'undefined'
What is the data type of the value undefined in JavaScript?
A). String
B). Object
C). Undefined
D). Number
Which primitive value represents absence of value or no value assigned?
A). undefined
B). null
C). 0
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
Which of the following is a valid way to represent the value null in JavaScript?
A). undefined
B). NULL
C). null
D). None of the above
What is the data type of the value NaN in JavaScript?
A). Number
B). String
C). Object
D). Undefined
Which of the following statements about primitive values in JavaScript is true?
A). They are mutable
B). They are passed by reference
C). They are stored on the heap
D). They are immutable
Which of the following is a valid JavaScript symbol?
A). symbol
B). &symbol
C). #symbol
D). Symbol('description')
Which of the following is a primitive data type in JavaScript?
A). Array
B). Object
C). Function
D). String
What is the result of the expression undefined + null in JavaScript?
A). undefined
B). null
C). 0
D). Error