Which of the following is true about functions in JavaScript?

How do you write an anonymous function in JavaScript?

A). function() { }

B). function anonymous() { }

C). func() { }

D). function: anonymous() { }

What is the correct syntax for defining a function in JavaScript?

A). function myFunction() { }

B). def myFunction() { }

C). func myFunction() { }

D). function: myFunction() { }

How can you assign a function to a variable?

A). var myFunc = function() { };

B). var myFunc = function { };

C). var myFunc function() { };

D). var function myFunc() { };

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 define an Immediately Invoked Function Expression (IIFE)?

A). function() { }();

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

C). function() { }();

D). function() ( ) { }

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 do you call a function named myFunction?

A). call myFunction()

B). myFunction()

C). call function myFunction()

D). myFunction(call)

What will be the output of the following code: function test() { return 'Hello'; } alert(test());?

A). undefined

B). test

C). Hello

D). error

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

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) }