Answer & Solution
Answer: Option B
Solution:
The null value in JavaScript represents a non-existent value or absence of a value.
Q
Which of the following statements is true about JavaScript's null value?
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'
Which of the following is a valid JavaScript symbol?
A). symbol
B). &symbol
C). #symbol
D). Symbol('description')
What is the result of the expression undefined + null in JavaScript?
A). undefined
B). null
C). 0
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 add two numbers using the + operator in JavaScript?
A). The numbers are concatenated
B). The numbers are multiplied
C). The numbers are added
D). An error occurs
What is the result of the expression true == 1 in JavaScript?
A). true
B). false
C). Error
D). 1
What is the result of the expression 5 + '5' in JavaScript?
A). 10
B). '55'
C). '10'
D). Error
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
Which primitive value represents absence of value or no value assigned?
A). undefined
B). null
C). 0
D). 'undefined'
What is the result of the expression true + false in JavaScript?
A). true
B). false
C). 1
D). 0