Manually unsubscribing from multiple observables

multiple-subscriptions.ts

const pokemonSubscription = pokemon$.subscribe(pokemon => {
  // Do something with pokemon
});

const trainerSubscription = trainer$.subscribe(trainer => {
  // Do something with trainer
});

const numberSubscription = number$.subscribe(number => {
  // Do something with number
});

function stop() {
  pokemonSubscription.unsubscribe();
  trainerSubscription.unsubscribe();
  numberSubscription.unsubscribe();  
}