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

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 do you create an Immediately Invoked Function Expression (IIFE)?

A). (function() { alert('IIFE'); })();

B). function() { alert('IIFE'); }();

C). (function { alert('IIFE'); })();

D). function() { alert('IIFE'); };

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');

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 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

What will be the output of the following code? var add = new Function('a', 'b', 'return a + b'); console.log(add(2, 3));

A). 5

B). add

C). undefined

D). 2 3

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

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

A). doSomething();

B). call doSomething;

C). doSomething[];

D). invoke(doSomething);

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!'))