HTML Code

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="UTF-8">

  <meta name="viewport" content="width=device-width, initial-scale=1.0">

  <title>muted — video</title>

  <style>

    body {

      font-family: system-ui, sans-serif;

      margin: 0;

      padding: 1.5rem;

      background: #f8fafc;

      color: #334155;

      line-height: 1.7;

    }

    h1 { margin: 0 0 1rem; font-size: 1.25rem; color: #0f172a; }

    video { max-width: 100%; border-radius: 8px; border: 1px solid #e2e8f0; }

    button {

      margin-top: 0.75rem;

      padding: 0.5rem 1rem;

      font: inherit;

      cursor: pointer;

      border-radius: 6px;

      border: 1px solid #cbd5e1;

      background: #fff;

    }

    .status {

      margin-top: 0.75rem;

      font-size: 0.8125rem;

      color: #64748b;

      max-width: 420px;

    }

    code { background: #e2e8f0; padding: 0.1rem 0.35rem; border-radius: 4px; }

  </style>

</head>

<body>

  <h1>muted on &lt;video&gt;</h1>

  <video id="clip" controls muted playsinline width="360">

    <source src="https://interactive-examples.mdn.mozilla.net/media/cc0-videos/flower.webm" type="video/webm">

    Your browser does not support HTML video.

  </video>

  <button type="button" id="toggleBtn">Unmute video</button>

  <p class="status" id="status">Video starts muted because of the <code>muted</code> attribute.</p>



  <script>

    var clip = document.getElementById("clip");

    var btn = document.getElementById("toggleBtn");

    var status = document.getElementById("status");

    btn.addEventListener("click", function () {

      clip.muted = !clip.muted;

      btn.textContent = clip.muted ? "Unmute video" : "Mute video";

      status.textContent = clip.muted

        ? "video.muted is true — no audio output."

        : "video.muted is false — audio enabled.";

    });

  </script>

</body>

</html>

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HTML muted Attribute — Muted Video by Default