add EventListener

game/index.js

@@ -9,6 +9,10 @@ const roundResultsMessage = document.getElementById("results-msg")
 const buttonStein = document.getElementById("rock-btn")
 const buttonPapier = document.getElementById("paper-btn")
 const buttonSchere = document.getElementById("scissors-btn")
+buttonStein.addEventListener("click", showResults("Stein"));
+buttonPapier.addEventListener("click", showResults("Papier"));
+buttonSchere.addEventListener("click", showResults("Schere"));
+
 
 function getRandomComputerResult(){
     const number = Math.floor(Math.random()*options.length);