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

What will be the output of the following code? var counter = (function() { var count = 0; return function() { return ++count; }; })(); console.log(counter()); console.log(counter());

A). 1, 2

B). 0, 1

C). undefined, undefined

D). 2, 4

What is the output of the following code? function makeAdder(a) { return function(b) { return a + b; }; } var add5 = makeAdder(5); console.log(add5(2));

A). 7

B). 5

C). add5

D). makeAdder

How can you define a method inside an object?

A). var obj = { method: function() { alert('Hello'); } };

B). var obj = { method() { alert('Hello'); } };

C). Both A and B

D). var obj = { function method() { alert('Hello'); } };

What is the term for a function that is passed as an argument to another function?

A). Callback function

B). Nested function

C). Helper function

D). Inner function

What will be the output of the following code? var multiply = (x, y) => x * y; console.log(multiply(3, 4));

A). 12

B). 34

C). multiply

D). undefined

Which of the following is an example of using a function as a return value?

A). function outer() { return function() { alert('Inner'); }; }

B). function outer() { function() { alert('Inner'); }; return; }

C). function outer() { function() { alert('Inner'); }; }

D). function outer() { return function { alert('Inner'); }; }

What will be the output of the following code? var double = function(x) { return x * 2; }; console.log(double(5));

A). 10

B). 5

C). undefined

D). double

What will be the output of the following code? var sayHi = function() { return 'Hi'; }; console.log(sayHi());

A). Hi

B). undefined

C). sayHi

D). function

How can you pass a function as an argument to another function?

A). performAction(function() { alert('Action!'); });

B). performAction(function { alert('Action!'); });

C). performAction(function() alert('Action!'););

D). performAction(function() alert('Action!'))

Which of the following correctly demonstrates a function returning another function?

A). function outer() { return function() { alert('Inner'); }; }

B). function outer() { function() { alert('Inner'); } return; }

C). function outer() { function() { alert('Inner'); }; }

D). function outer() { return function { alert('Inner'); }; }