Prototype unfilterJSON() Method

Syntax:

string.unfilterJSON([filter = Prototype.JSONFilter])  ;

Return Value:

Returns a stripped string.

Example:

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

function showResult(){

   var str = '/*-secure-\n{"name": "Violet", "age": 25}\n*/';
   alert(str. unfilterJSON() );
  
}

</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.