What is this approach called in OOP?

Question

JavaScript

The essence of the approach in one large object:

const AppLoop = {

   users: {
     players: [{id: 1, nickname: Developer}],
     clients: [{id: 1, userID: 1, balance: 2500}]
     getUsers: () => [this.players.map(r => r), this.clients.map(r => r)]
   }


}

Answer 1

Error in code