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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>ondblclick — vs onclick</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}.box{padding:1rem;border:2px dashed #cbd5e1;border-radius:8px;background:#fff;max-width:420px;cursor:pointer;user-select:none}ul{margin:1rem 0 0;padding-left:1.25rem;font-size:.8125rem;max-width:420px}li{margin-bottom:.35rem}.click{color:#1d4ed8;font-weight:600}.dbl{color:#b45309;font-weight:600}</style>

</head>

<body>

  <h1>dblclick vs click</h1>

  <p>Single-click or double-click the box below.</p>

  <div class=box id=box>Click or double-click this box.</div>

  <ul id=log></ul>



  <script>var box=document.getElementById("box"),log=document.getElementById("log");function add(e,l){var d=document.createElement("li");l&&(d.className=l),d.textContent=e,log.appendChild(d),log.children.length>8&&log.removeChild(log.firstChild)}box.addEventListener("click",(function(){add("click","click")})),box.addEventListener("dblclick",(function(){add("dblclick","dbl")}))</script>

</body>

</html>

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HTML ondblclick Attribute — vs onclick