Prototype Hash toJSON() Method

Syntax:

hash.toJSON() ;

Return Value :

Returns a JSON string.

Example:

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

function showResult(){

 var h = new Hash({ a: 'apple', b: 'banana', c: 'coconut' });

 alert( "h.toJSON() : " + h.toJSON() );

}

</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.