halflife.js

document.getElementById("cars").addEventListener("change", function () {
  var sayacDiv = document.getElementById("sayacDiv");
  var discordDiv = document.getElementById("discordDiv");
  var steamDiv = document.getElementById("steamDiv");
  var spotifyDiv = document.getElementById("spotifyDiv");
  var lastfmDiv = document.getElementById("lastfmDiv");
  var creditsDiv = document.getElementById("creditsDiv");

  sayacDiv.style.display = "none";
  discordDiv.style.display = "none";
  steamDiv.style.display = "none";
  lastfmDiv.style.display = "none";
  spotifyDiv.style.display = "none";
  creditsDiv.style.display = "none";

  if (this.value === "sayac") {
    sayacDiv.style.display = "block";
  } else if (this.value === "discord") {
    discordDiv.style.display = "block";
  } else if (this.value === "steam") {
    steamDiv.style.display = "block";
  } else if (this.value === "spotify") {
    spotifyDiv.style.display = "block";
  } else if (this.value === "lastfm") {
    lastfmDiv.style.display = "block";
  } else if (this.value === "credits") {
    creditsDiv.style.display = "block";
  }
});
// l