Ping Pong who is serving

getPlayerServing.js

function getPlayerServing(totalScore = 0, numberOfServesEach = 2, numberOfPlayers = 2) {
  return Math.floor((totalScore / numberOfServesEach)) % numberOfPlayers;
}

// Singles
// Player 1 = 0, Player 2 = 1
getPlayerServing(11);

// Doubles
// Player 1 = 0, Player 2 = 1, Player 3 = 2, Player 4 = 3
getPlayerServing(15, 5, 4);