Prototype undoPositioned() Method

Syntax:

element.undoPositioned();

Return Value:

Returns HTML element.

Example:

<html>
<head>
<title>Prototype examples</title>

<script type="text/javascript" 
   src="/javascript/prototype.js">
</script>
<script>

function Positioned(){
   $('container').makePositioned();
}
function UnPositioned(){
   $('container').undoPositioned();
}
</script>
</head>

<body>

  <p>Click the buttons to see the result.</p>
  <br />

  <div id="container">
  <div id="element" 
          style="position:absolute; top: 60px; left: 20px; 
          border:1px solid red;">
   This is Element Box
  </div>
  </div>

  <br />

  <input type="button" value="Postioned" 
            onclick="Positioned();"/>

  <input type="button" value="UnPositioned" 
            onclick="UnPositioned();"/>

</body>
</html>

To understand it in better way you can Try it yourself.