<title id="demo"></title>

 <a id="myBtn" onclick="change('/izle/<?php echo $bilgilerimsormasak['player_seo'] ?>')"

 <script>
const element = document.getElementById("myBtn");
element.addEventListener("click", myFunction);

function myFunction() {
  document.getElementById("demo").innerHTML = "<?php echo $ayarcek['ayar_title']; ?>";
}
</script>