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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>onclick — 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}button{padding:.5rem 1rem;font:inherit;border:1px solid #cbd5e1;border-radius:6px;background:#fff;cursor:pointer}.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("click")</h1>

  <p>Modern code prefers addEventListener over inline onclick.</p>

  <button type=button id=save>Save</button>

  <div class=log id=log>Click Save to fire the listener.</div>



  <script>document.getElementById("save").addEventListener("click",(function(){document.getElementById("log").innerHTML="<strong>click fired:</strong> Save button was clicked."}))</script>

</body>

</html>

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HTML onclick Attribute — addEventListener