functional RPS? for the lulz

gistfile1.js

function init(user, computer){
  if (user === computer) {
    return {
      playerChoice: user,
      computerChoice: computer,
      text: "It's a TIE"
    };
  }
  
  if (user === "r" && computer === "s" || user === "p" && computer === "r" || user === "s" && computer === "p") {
    return {
      playerChoice: user,
      computerChoice: computer,
      text: "Player Wins"
    };
  }
  return {
    playerChoice: user,
    computerChoice: computer,
    text: "Computer Wins"
  };
}
 
function getComputerChoice() {
  switch(Math.floor(Math.random() * 2)) {
    case 0:
      return "r";
    case 1:
      return "p";
    default:
      return "s";
  }
}
 
function displayResults(results) {
  if (!results) {
    displayResults(
      init( prompt("'R', 'P', or 'S'").toLowerCase(), getComputerChoice())
    );
  } else {
    if (confirm("User Chose: " + results.playerChoice + ". Computer Chose: " + results.computerChoice + ". " + results.text + "\n Play Again?")) {
      displayResults();
    }
  }
}
displayResults();