Class Central is learner-supported. When you buy through links on our site, we may earn an affiliate commission.

YouTube

What Is __proto__? - Javascript Prototypes Tutorial

Dave Gray via YouTube

Start learning Write review
Coursera Ad

AI, Data Science & Cloud Certificates from Google, IBM & Meta

Learn More → Scrimba Ad

Free courses from frontend to fullstack and AI

Learn More →

Overview

Google, IBM & Meta Certificates – 40% Off
One Coursera Plus subscription covers most Professional Certificates on Coursera.
Unlock All Certificates
This tutorial explains JavaScript’s prototype chain and prototypal inheritance through object literals, getters and setters, constructor functions, inherited properties, and ES6 class extension. It demonstrates how prototype properties and methods are resolved and inherited in code.

Syllabus

Intro
Good Reasons to know about Javascript Prototypes
Hello __proto__
New Modern Methods vs __proto__
More than one link in the prototype chain
3 Rules of Prototypal Inheritance
Inheriting a Getter and a Setter
Inheriting from the Javascript Object
Looping through direct and inherited keys
Object Constructor Functions and Prototypes
Javascript ES6 Classes and Extending Classes

Taught by

Dave Gray

Reviews

Start your review of What Is __proto__? - Javascript Prototypes Tutorial

Start learning

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Sign up for free
Someone learning on their laptop while sitting on the floor.