html/jquery/test-3.4.1.html


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<html><head><title>jQuery</title><script src="jquery-3.4.1.js"></script></head>
  <body>Loaded jQuery</body>
  <script>
    var h1 = document.createElement("H1");
    h1.textContent = "Hello World!";
    $("body")[0].appendChild(h1);
  </script>
</html>