HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>createNodeIterator text</title>
  <style>body{font-family:system-ui,sans-serif;padding:1.5rem;} #box{border:1px solid #ccc;padding:0.75rem;} pre{border:1px solid #ccc;padding:0.75rem;}</style>
</head>
<body>
  <div id="box"><strong>Alpha</strong> <em>Beta</em></div>
  <button id="btn" type="button">Collect text nodes</button>
  <pre id="out">Click the button</pre>
  <script>
    document.getElementById("btn").addEventListener("click", function () {
      var root = document.getElementById("box");
      var it = document.createNodeIterator(root, NodeFilter.SHOW_TEXT);
      var chunks = [];
      var node;
      while ((node = it.nextNode())) {
        var t = node.nodeValue.trim();
        if (t) chunks.push(t);
      }
      document.getElementById("out").textContent = JSON.stringify(chunks);
    });
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

Document.createNodeIterator — text nodes (Try It)