What keyword is used to break out of a loop in JavaScript?
A). break
B). exit
C). stop
D). halt
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 terminate a loop iteration in JavaScript?
A). next
B). iterate
C). continue
D). terminate
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
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
Which keyword is used to define a function in JavaScript?
A). function
B). func
C). define
D). funcDef
Which keyword is used to create a label in JavaScript?
A). mark
B). label
C). name
D). identifier
Which keyword is used to handle asynchronous operations in JavaScript?
A). async
B). await
C). sync
D). delay
Which keyword is used to handle exceptions in JavaScript?
A). try
B). handle
C). catch
D). exception
What is the keyword used to declare a constant variable in JavaScript?
A). const
B). let
C). var
D). constant