How do you write an anonymous function in JavaScript?

Which of the following is an example of an arrow function?

A). function => { }

B). () => { }

C). arrow function() { }

D). => function() { }

How do you create a function expression in JavaScript?

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

B). function myFunction = { };

C). function = myFunction() { };

D). var function() = myFunction { };

How can you return a value from a function?

A). return value;

B). give value;

C). send value;

D). output value;

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

A). undefined

B). test

C). Hello

D). error

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) { }

Which keyword is used to declare a function in JavaScript?

A). func

B). function

C). def

D). declare

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 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

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 call a function named myFunction?

A). call myFunction()

B). myFunction()

C). call function myFunction()

D). myFunction(call)