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<!DOCTYPE html>

<html lang=en>

<head>

  <meta charset=UTF-8>

  <meta name=viewport content="width=device-width,initial-scale=1">

  <title>oncontextmenu — 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}#photo{display:block;width:200px;height:120px;background:linear-gradient(135deg,#93c5fd,#c4b5fd);border-radius:8px;cursor:context-menu}.log{margin-top:1rem;padding:.75rem 1rem;background:#fef9c3;border:1px solid #fde047;border-radius:8px;font-size:.8125rem;max-width:420px}</style>

</head>

<body>

  <h1>element.addEventListener("contextmenu")</h1>

  <p>Right-click the colored box.</p>

  <div id=photo aria-label="Demo image area"></div>

  <div class=log id=log>Right-click the box to see coordinates.</div>



  <script>document.getElementById("photo").addEventListener("contextmenu",(function(e){e.preventDefault(),document.getElementById("log").innerHTML="<strong>contextmenu at</strong> ("+e.clientX+", "+e.clientY+")"}))</script>

</body>

</html>

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HTML oncontextmenu Attribute — addEventListener