How can you invoke a function stored in a variable doSomething?

What is the output of the following code? var person = { name: 'Alice', greet: function() { return 'Hello, ' + this.name; } }; console.log(person.greet());

A). Hello, Alice

B). Hello, undefined

C). Hello, name

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 sayHi = function() { return 'Hi'; }; console.log(sayHi());

A). Hi

B). undefined

C). sayHi

D). function

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

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

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

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

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

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

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

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'); } };

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'); }; }

Which of the following is an example of an arrow function assigned to a variable?

A). var add = (a, b) => { return a + b; };

B). var add = (a, b) => return a + b;

C). var add = (a, b) => { a + b };

D). var add = (a, b) { return a + b; };

How do you assign a function to a variable in JavaScript?

A). var greet = function() { alert('Hello'); };

B). var greet = function { alert('Hello'); };

C). function greet() { alert('Hello'); }

D). var greet = function alert('Hello');