What is the purpose of the return statement in a function?
A). To stop the execution of the function
B). To return a value to the caller
C). Both A and B
D). Neither A nor B
How can you pass a function as an argument to another function?
A). function anotherFunction(function) { }
B). anotherFunction(function() { });
C). anotherFunction(myFunction);
D). function anotherFunction(myFunction()) { }
What happens if a function does not have a return statement?
A). It returns undefined
B). It throws an error
C). It returns null
D). It returns 0
Which keyword is used to return a value from a function?
A). return
B). give
C). send
D). output
How do you create a function expression in JavaScript?
A). var myFunction = function() { };
B). var myFunction = function { };
C). var myFunction function() { };
D). var function myFunction() { };
Which of the following can a JavaScript function return?
A). Only strings
B). Only numbers
C). Any data type
D). Nothing
How do you call a method named greet that belongs to an object person?
A). person(greet);
B). person.greet();
C). greet.person();
D). call person.greet();
How do you handle the returned value of a function that returns an object?
A). var obj = myFunction(); obj.key;
B). var obj = myFunction().key;
C). var obj = myFunction.key();
D). var obj.key = myFunction();
What is the scope of a variable declared within a function?
A). Global
B). Local
C). Block
D). Script
What is an anonymous function?
A). A function without a name
B). A function without parameters
C). A function without return value
D). A function without a body