HTML Code

<!DOCTYPE html>

<html lang=en>

<head>

  <meta charset=UTF-8>

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

  <title>onsearch — filter list</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}input[type=search]{display:block;width:100%;max-width:320px;padding:.5rem .75rem;border:1px solid #cbd5e1;border-radius:8px;font-size:.875rem;margin-bottom:.75rem}ul{margin:0;padding:0;list-style:none;max-width:320px}li{padding:.5rem .75rem;border:1px solid #e2e8f0;border-radius:8px;margin-bottom:.5rem;background:#fff;font-size:.875rem}#status{font-size:.8125rem;color:#64748b;margin-bottom:.75rem}</style>

</head>

<body>

  <h1>Filter on search</h1>

  <p id=status>Type a fruit name and press Enter.</p>



  <input type=search id=searchInput placeholder="Filter fruits…" aria-label="Filter fruits">



  <ul id=list>

    <li>Apple</li>

    <li>Banana</li>

    <li>Cherry</li>

    <li>Date</li>

    <li>Elderberry</li>

  </ul>



  <script>

    var searchInput = document.getElementById("searchInput");

    var items = document.querySelectorAll("#list li");

    var status = document.getElementById("status");



    searchInput.addEventListener("search", function () {

      var q = this.value.trim().toLowerCase();

      var visible = 0;



      items.forEach(function (item) {

        var match = !q || item.textContent.toLowerCase().includes(q);

        item.hidden = !match;

        if (match) visible++;

      });



      status.textContent = q

        ? "Showing " + visible + " result(s) for "" + q + """

        : "Showing all fruits";

    });

  </script>

</body>

</html>

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HTML onsearch Attribute — filter list