How do you define a function in JavaScript?
A). function myFunction { }
B). function: myFunction() { }
C). function myFunction() { }
D). myFunction function() { }
Which of the following is a valid way to return multiple values from a function?
A). return a, b;
B). return [a, b];
C). return {a, b};
D). return (a, b);
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
Which of the following can a JavaScript function return?
A). Only strings
B). Only numbers
C). Any data type
D). Nothing
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()) { }
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() { };
How do you immediately invoke a function expression (IIFE)?
A). (function() { })();
B). function() { }();
C). (function() { }());
D). function() { }()
What is the correct way to return an object from a function?
A). return object { };
B). return { };
C). return new Object { };
D). return object() { };
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
What is the scope of a variable declared within a function?
A). Global
B). Local
C). Block
D). Script