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
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 handle code execution after a specified time interval in JavaScript?
A). wait
B). delay
C). execute
D). setTimeout
Which keyword is used to define an object in JavaScript?
A). object
B). defineObject
C). createObject
D). obj
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 yield keyword in JavaScript?
A). To pause and resume a generator function
B). To stop the execution of a function
C). To yield control to another function
D). To return a value from a function
Which keyword is used to define a class in JavaScript?
A). class
B). defineClass
C). createClass
D). classDef
Which keyword is used to handle asynchronous operations in JavaScript?
A). async
B). await
C). sync
D). delay
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
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