dynamic.html 1.07 KB
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
    "http://www.w3.org/TR/html4/loose.dtd">
<html>
  <head>
    <title></title>
    <script type="text/javascript">
      var next = 0;

      function addMore() {
        var box = document.createElement('DIV');
        box.id = 'box' + next++;
        box.className = 'redbox';
        box.style.width = '150px';
        box.style.height = '150px';
        box.style.backgroundColor = 'red';
        box.style.border = '1px solid black';
        box.style.margin = '5px';

        window.setTimeout(function() {
          document.body.appendChild(box);
        }, 1000);
      }

      function reveal() {
        var elem = document.getElementById('revealed');
        window.setTimeout(function() {
          elem.style.display = '';
        }, 1000);
      }
    </script>
  </head>
  <body>
    <input id="adder" type="button" value="Add a box!" onclick="addMore()"/>

    <input id="reveal" type="button" value="Reveal a new input" onclick="reveal();" />

    <input id="revealed" style="display:none;" />
  </body>
</html>