JavaScript Which tags are counted in form.elements?

What tag is counted in form.elements?

<html>
   <head>
      <title>
          form process
      </title>
      <script>
          function showelements()
          {
              var form = document.getElementById("f");
              var n = form.elements.length;
              alert(n);
          }
      </script>
   </head>
   <body>
         <form id="f" action="#" method="post">
            <p>Hello</p>
            <input type="text" />
            <input type="text" />
            <button onclick="showelements()">Click</button>
        </form>
   </body>
</html>

I think n = 4 because there are 4 elements: p, input, input, button, but the result n = 3.

Answer:1

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