Afficher Poster Vidéo SystemeIO

<script>
  function setvideoposter(id, image) {
    let jamesvideo = document.querySelector("#"+id+" > div > video");
    if(jamesvideo != null) {
      jamesvideo.setAttribute('poster',image);
    } else {
      setTimeout(function(){
        setvideoposter(id,image);
      },500);
    }
  }
  setvideoposter('video-f6b6a8b9','https://thispersondoesnotexist.com/image');
</script>