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12.2: JavaScript classes continued - Coggle Diagram

- - - - that will be called
      - when that property is accessed
  - - - outputs
        
        > Renay Earnshaw
    - - use
        
        class User { ... get fullName() { return `${this.#firstName} ${this.#lastName}`; } } ... console.log(user1.fullName);
      - class User { ... fullName() { return this.#firstName + " " + this.#lastName; }; }
- - - - not on the instance
  - - - :warning: will not contain a description property
    - - on the class
      - > User.description
- - - - allows us to do something different
        
        in the child class
        
        but still call the base class constructor
      - class AdminUser extends User { isAdmin = true; constructor(fName, lName) { super(fName, lName); this.state = "stressed"; } }
      - :warning: if you have a constructor in a child class
        
        you MUST call the base class constructor
        
        via super
        
        and it must be the first line
        
        in the child constructor
      - :warning: if you don't have a constructor in a child class
        
        super is called by default
    - - let user1 = new AdminUser("Renay", "Earnshaw");
      - initialises a user as before