Answer & Solution
Answer: Option B
Solution:
Primitive values in JavaScript are basic data types like numbers, strings, booleans, null, undefined, and symbols.
Q
What is a primitive value in JavaScript?
Related Questions on Average
Which of the following is a valid JavaScript symbol?
A). symbol
B). &symbol
C). #symbol
D). Symbol('description')
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
Which of the following statements is true about primitive data types in JavaScript?
A). They have methods and properties
B). They can be used as keys in objects
C). They are instances of Object
D). They are passed by value
What is the result of the expression undefined + null in JavaScript?
A). undefined
B). null
C). 0
D). Error
Which symbol is used to represent a boolean value in JavaScript?
A). #
B). $
C). !
D). true/false
Which of the following is a primitive data type in JavaScript?
A). Array
B). Object
C). Function
D). String
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 == 1 in JavaScript?
A). true
B). false
C). Error
D). 1
What does the Symbol data type represent in JavaScript?
A). A unique identifier
B). A number
C). A boolean value
D). An object
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