Welcome to the Classes and Modules MCQs Page

Dive deep into the fascinating world of Classes and Modules with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Classes and Modules, a crucial aspect of JavaScript. In this section, you will encounter a diverse range of MCQs that cover various aspects of Classes and Modules, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within JavaScript.

Check out the MCQs below to embark on an enriching journey through Classes and Modules. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of JavaScript.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Classes and Modules. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Classes and Modules MCQs | Page 2 of 7

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Q11.

The four kinds of class members are

Instance methods, Instance fields, Static method, Dynamic method

Instance fields, Instance methods, Class fields, Class methods

Instance fields, Non-instance fields, Dynamic methods, Global methods

Global methods, Local methods, Dynamic methods, Static methods

Discuss

Answer: (b).Instance fields, Instance methods, Class fields, Class methods

Q12.

The properties of the objects act like different kinds of class members. They are

Public object, Private object, Protected object

Constructor object, Function object, Destructor object

Constructor object, Prototype object, Instance object

Instance method, Static object, Dynamic object

Discuss

Answer: (c).Constructor object, Prototype object, Instance object

Q13.

The object whose properties are inherited by all instances of the class, and properties whose values are functions behaving like instance methods of the class, is

Instance object

Constructor object

Destructor object

Prototype object

Discuss

Answer: (d).Prototype object

Q14.

Which are usually variables that are used internally in object methods and also are globally visible variables?

Object properties

Variable properties

Method properties

Internal properties

Discuss

Answer: (b).Variable properties

Q15.

The class that represents the regular expressions is

RegExpObj

RegExpClass

RegExp

StringExp

Discuss

Answer: (c).RegExp

Q16.

Which is the correct code that returns a complex number that is the complex conjugate of this one?

Complex.prototype.conj = function() { return new Complex(this.r, -this.i); };

Complex.prototype.conj = function() { return Complex(this.r, -this.i); };

Complex.prototype.conj = function() { return (this.r, -this.i); };

Complex.prototype.conj = function() { new Complex(this.r, -this.i); };

Discuss

Answer: (a).Complex.prototype.conj = function() { return new Complex(this.r, -this.i); };

Q17.

How can we make methods available on all objects?

Object.add(methods)

Object.methods(add)

Object.add.methods(...)

Object.prototype

Discuss

Answer: (d).Object.prototype

Q18.

What is the procedure to add methods to HTMLElement so that they will be inherited by the objects that represent the HTML tags in the current document?

HTMLElement.prototype(…)

HTMLElement.prototype

HTML.addmethods()

HTML.elements(add)

Discuss

Answer: (b).HTMLElement.prototype

Q19.

You can refresh the webpage in JavaScript by using

window.reload

location.reload

window.refresh

page.refresh

Discuss

Answer: (b).location.reload

Q20.

The functions provide() and require() of Dojo toolkit and Google's Closure library are used for

declaring and loading modules

loading and declaring modules

declaring modules

none of the mentioned

Discuss

Answer: (a).declaring and loading modules

Page 2 of 7

Welcome to the Classes and Modules MCQs Page

Classes and Modules MCQs | Page 2 of 7

Explore more Topics under JavaScript

Basics of JavaScript

Arrays and Functions

Server Side and Client Side Scripting

Document Object Model and Event Handling

Graphics and Rendering

Performance Measures in JavaScript

Socket Programming with JavaScript

Parsing, Benchmarking and Logging

Invocation and Performance

Caching and Debugging

JavaScript Animation

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