How do you define an Immediately Invoked Function Expression (IIFE)?

Which statement correctly defines a function named sum that returns the sum of two parameters a and b?

A). function sum(a, b) { return a + b; }

B). function sum(a, b) { a + b; }

C). function sum(a, b) return a + b;

D). function sum(a, b) { return (a + b) }

What is the difference between function declarations and function expressions?

A). Function declarations are hoisted, function expressions are not

B). Function expressions are hoisted, function declarations are not

C). Function declarations cannot take parameters

D). Function expressions cannot return values

How do you write an anonymous function in JavaScript?

A). function() { }

B). function anonymous() { }

C). func() { }

D). function: anonymous() { }

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();

What is the scope of a variable declared inside a function?

A). Global

B). Local to the function

C). Local to the script

D). It depends on the variable type

How can you define a function as a property of an object?

A). object.function = function() { };

B). object = { function() { } };

C). object: function() { };

D). object = { func: function() { } };

What is the purpose of the return statement in a function?

A). To output a value to the console

B). To exit a function and return a value

C). To pass a value to another function

D). To loop through a function

How do you define a default parameter in a function?

A). function myFunction(param = 10) { }

B). function myFunction(param == 10) { }

C). function myFunction(param := 10) { }

D). function myFunction(param : 10) { }

How do you call a function named myFunction?

A). call myFunction()

B). myFunction()

C). call function myFunction()

D). myFunction(call)

Which of the following is true about functions in JavaScript?

A). Functions cannot be nested

B). Functions can only have one parameter

C). Functions can be assigned to variables

D). Functions cannot return values