Simplified: Prototypes in JavaScript

This is one topic that JavaScript devs either fear using or don’t know about. Someday, prototypes will catch up with you and push you into a corner. When that happens, let’s be prepared to tackle it and turn the table in your favor.

00:00 Introduction
00:53 Prototypes vs. classes
01:56 Setup
02:19 [[Prototype]]
06:48 this in methods
11:24 Checking own vs. inherited properties
15:02 Built-in prototypes
17:02 Polyfilling
20:03 Summary