Inheritance in JavaScript

Inheritance in JavaScript — a practical guide to JavaScript inheritance with clear examples you can reuse in real projects.

JavaScript Tutorial Series (57/101). Prefer one article? Read the complete JavaScript tutorial.

Short description

Prefer shallow hierarchies and clear is-a relationships.

extends

class Admin extends User {
  constructor(name, level) {
    super(name);
    this.level = level;
  }
}