HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>item safe</title>
</head>
<body>
  <ul id="fruit">
    <li>Apple</li>
    <li>Banana</li>
    <li>Cherry</li>
  </ul>
  <pre id="out">Waiting...</pre>
  <script>
    var list = document.querySelectorAll("#fruit li");
    function readItem(list, index) {
      var node = list.item(index);
      return node ? node.textContent : "(missing)";
    }
    document.getElementById("out").textContent =
      readItem(list, 0) + "\n" + readItem(list, 99);
  </script>
</body>
</html>

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NodeList.item() safe access (Try It)