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());

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 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 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

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 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'); }; }

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!'))

How do you define an anonymous function assigned to a variable?

A). var anon = function() { alert('Anonymous!'); };

B). var anon = function { alert('Anonymous!'); };

C). function anon() { alert('Anonymous!'); }

D). var anon = function anonymous() { alert('Anonymous!'); };

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

How do you define a function using a function expression?

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

B). function myFunc() { alert('Hello'); }

C). var myFunc = function { alert('Hello'); };

D). var myFunc() { alert('Hello'); }