hands-on lab

Working With JavaScript Classes

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Lab description

In this lab, you will be working with JavaScript Classes. Classes were introduced with the inclusion of ES6 and are mostly syntactic sugar of constructor functions. A JavaScript class is a blueprint for creating objects.

Learning Objectives

Upon completion of this lab, you will be able to:

  • Create a class
  • Create a class constructor
  • Create a class method
  • Create a child class
  • Use super to access parent class properties and methods
  • Create a child class method

Intended Audience

  • Beginners learning front-end development
  • Software Engineers who need to learn front-end technologies to expand their skillset


The following courses/courses and labs can ensure your success:

About the author
Farish Kashefinejad, opens in a new tab
Full-Stack Development Content Creator
Learning paths

Farish has worked in the EdTech industry for over six years. He is passionate about teaching valuable coding skills to help individuals and enterprises succeed.

Previously, Farish worked at 2U Inc in two concurrent roles. Farish worked as an adjunct instructor for 2U’s full-stack boot camps at UCLA and UCR. Farish also worked as a curriculum engineer for multiple full-stack boot camp programs. As a curriculum engineer, Farish’s role was to create activities, projects, and lesson plans taught in the boot camps used by over 50 University partners. Along with these duties, Farish also created nearly 80 videos for the full-stack blended online program.

Before 2U, Farish worked at Codecademy for over four years, both as a content creator and part of the curriculum experience team.

Farish is an avid powerlifter, sushi lover, and occasional Funko collector.

Covered topics
Lab steps
Introduction to JavaScript Labs
Creating an Animal Class
Creating a Constructor
Creating a Class Method
Creating a Child Class
Creating a Child Class Constructor
Creating a Child Class Method
Creating a Child Class Instance
Invoking Parent Class Method on Child Class
Invoking Child Class Method