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Hovering over a thumbnail triggers audio but not video using the YouTube API in JavaScript - how can I fix this?

I am trying to make a YouTube video play when I hover on a thumbnail But it only plays the audio, I can't see the video and it doesn't stop playing when I stop hovering.

Here is the code

HTML

<div class="thumbnail" data-video-id="D9N7QaIOkG8">
    <img src="assets\meyra.jpg" alt="Thumbnail 1">
    <div class="video-overlay"></div>
</div>

<script>
  function onYouTubeIframeAPIReady() {
    const thumbnails = document.querySelectorAll(".thumbnail");

    thumbnails.forEach(function(thumbnail) {
      const videoOverlay = thumbnail.querySelector(".video-overlay");
      const videoId = thumbnail.dataset.videoId;

      thumbnail.addEventListener("mouseenter", function() {
        const player = new YT.Player(videoOverlay, {
          videoId: videoId,
          width: "100%",
          height: "100%",
          playerVars: {
            autoplay: 1,
            controls: 0,
            rel: 0,
            showinfo: 0
          }
        });

        videoOverlay.style.display = "block";
      });

      thumbnail.addEventListener("mouseleave", function() {
        videoOverlay.innerHTML = "";
        videoOverlay.style.display = "none";
      });
    });
  }
</script>

I want a video to cover up the thumbnail just like a preview in youtube when I hover and stop playing when the mouse stops hovering.

Via Active questions tagged javascript - Stack Overflow https://ift.tt/PNfUzOj

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