copy random stuff

<html>
<head>
  <script>
  function addWeirdTextToClipboard () {
    var container = document.getElementById('container'),
      editingDiv = document.createElement('div'),
      text = document.createTextNode('the weird text'),
      range = document.createRange();;
    editingDiv.appendChild(text);
    editingDiv.setAttribute('contentEditable',true)
    container.appendChild(editingDiv);

    range.selectNodeContents(editingDiv);
    window.getSelection().addRange(range);
    document.execCommand('copy', false, null);
    container.removeChild(editingDiv);

  }
  </script>
</head>
<body>
<button onclick="addWeirdTextToClipboard()">I want free icecream!</button>
<div id="container"></div>
</body>
</html>