prototype-pattern

SKILL.md

Prototype Pattern

The prototype pattern is a useful way to share properties among many objects of the same type. The prototype is an object that's native to JavaScript, and can be accessed by objects through the prototype chain.

In our applications, we often have to create many objects of the same type. A useful way of doing this is by creating multiple instances of an ES6 class.

When to Use

Use this when many objects need access to the same methods without duplicating them

This is helpful for understanding JavaScript's inheritance model and ES6 classes

Instructions

Use ES6 classes to automatically add methods to the prototype

Use Object.create() to create objects with a specific prototype

Leverage the prototype chain for inheritance (extends keyword in ES6 classes)

Understand that properties on the prototype are shared and not duplicated per instance

Details