Prototype toArray() Method

Syntax:

string.toArray() ;

Return Value:

Returns an array of characters.

Example:

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

function showResult(){
   var str = "a";

   alert("a.toArray() : " + str.toArray()[0] );

   var str = "hello world!";
   var arr = str.toArray();
   arr.each(function(alpha){
      alert(alpha);
   });
}

</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.