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  <title>oncanplay — addEventListener</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 .75rem;font-size:1.25rem;color:#0f172a}video{display:block;max-width:100%;width:320px;border-radius:8px;background:#0f172a;margin-bottom:.75rem}.log{padding:.75rem 1rem;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px;font-size:.8125rem;max-width:420px}code{background:#e2e8f0;padding:.1rem .35rem;border-radius:4px}</style>



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  <h1>video.addEventListener("canplay")</h1>



  <p>Preferred modern pattern — the <code>canplay</code> event targets the media element.</p>



  <video id=clip controls>



    <source src=/video/count.mp4 type=video/mp4>



    Your browser does not support video.



  </video>



  <div class=log id=log>Loading media…</div>





  <script>document.getElementById("clip").addEventListener("canplay",(function(){document.getElementById("log").innerHTML="<strong>canplay event:</strong> ready to start playback. You can also use <code>video.oncanplay</code>."}))</script>



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HTML oncanplay Attribute — addEventListener on video