HTML Code

<!DOCTYPE html>

<html lang=en>

<head>

  <meta charset=UTF-8>

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

  <title>coords JavaScript Example</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{font:inherit;padding:.45rem .85rem;margin-bottom:.75rem;border:1px solid #cbd5e1;border-radius:6px;background:#2563eb;color:#fff;cursor:pointer}img{border-radius:8px;border:1px solid #e2e8f0}p{margin:1rem 0 0;font-size:.875rem;color:#64748b;max-width:420px}</style>

</head>

<body>

  <h1>Dynamic coords</h1>

  <button type=button id=resizeBtn>Move circle hotspot</button>

  <img src=/images/javascript.png alt="JavaScript logo" usemap=#dynamic-map width=128 height=128>

  <map name=dynamic-map>

    <area id=dynamicArea shape=circle coords=64,64,30 href=/js/interview alt="Learn JavaScript">

  </map>

  <p>Click the button to update <code>area.coords</code> and move the circular hotspot.</p>



  <script>var area=document.getElementById("dynamicArea"),btn=document.getElementById("resizeBtn"),large=!0;btn.addEventListener("click",(function(){large=!large,area.coords=large?"64,64,55":"64,64,25",btn.textContent=large?"Shrink hotspot":"Expand hotspot"}))</script>

</body>

</html>

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HTML coords Attribute — JavaScript Update