gitter_and_setter.js

class Book {
  constructor(author){
    this._author = author;
  }
  
  //getter
  
  get writer(){
    return this._author;
  }
  
  //setter
  
  set writer(updatedAuthor){
    this._author = updatedAuthor;
  }
}

const lol = new Book('anonymous');
console.log(lol.writer);
lol.writer = 'wut';
console.log(lol.writer);