Prototype unescapeHTML() Method

Syntax:

string.unescapeHTML()  ;

Return Value:

Returns an unescaped HTML trimmed string.

Example:

<html>
<head>
<title>Prototype examples</title>
<script type="text/javascript" 
   src="/javascript/prototype.js">
</script>
<script>

function showResult(){

   var str = 'x &gt; 10';
   alert("First : " + str.unescapeHTML() );
   var str = "<h1>Pride &amp; Prejudice</h1>"
   alert("Second : " + str.unescapeHTML() );

}

</script>
</head>

<body>

  <p>Click the button to see the result.</p>
  <br />
  <br />
  <input type="button" value="Result" onclick="showResult();"/>

</body>
</html>

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