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 keyword used to declare a constant variable in JavaScript?
A). const
B). let
C). var
D). constant
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 handle the final steps in error handling in JavaScript?
A). finally
B). end
C). last
D). complete
Which keyword is used to terminate a loop iteration in JavaScript?
A). next
B). iterate
C). continue
D). terminate
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
Which keyword is used to define a class in JavaScript?
A). class
B). defineClass
C). createClass
D). classDef
Which keyword is used to create a label in JavaScript?
A). mark
B). label
C). name
D). identifier
What is the purpose of the break keyword in JavaScript?
A). To terminate a loop
B). To skip a loop iteration
C). To handle exceptions
D). To define a new function
Which keyword is used to define a function in JavaScript?
A). function
B). func
C). define
D). funcDef