What is the purpose of the typeof keyword in JavaScript?
A). To check if a variable is defined
B). To determine the data type of a variable
C). To create new variables
D). To delete variables
Which keyword is used to create a new instance of an object?
A). instance
B). create
C). new
D). object
What is the purpose of the delete keyword in JavaScript?
A). To delete all variables
B). To remove an element from an array
C). To delete properties from an object
D). To delete functions
Which keyword is used to create a label in JavaScript?
A). mark
B). label
C). name
D). identifier
What is the purpose of the instanceof keyword in JavaScript?
A). To check if a variable is defined
B). To determine the type of an object
C). To create new instances of objects
D). To compare values
What is the purpose of the arguments keyword in JavaScript?
A). To define function arguments
B). To pass arguments to a function
C). To access function arguments
D). To check if a variable is defined
What is the purpose of the super keyword in JavaScript?
A). To access parent class properties and methods
B). To create new instances of objects
C). To delete objects
D). To handle exceptions
Which keyword is used to define a class in JavaScript?
A). class
B). defineClass
C). createClass
D). classDef
What is the keyword used to declare a constant variable in JavaScript?
A). const
B). let
C). var
D). constant
Which keyword is used to define a function in JavaScript?
A). function
B). func
C). define
D). funcDef