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Prototype Object isHash() Method

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This method returns true if obj is an instance of the Hash class, false otherwise.

Syntax:

Object.isHash(obj);

Return Value :

Example:

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

<script>

function showResult(){

   myHash = new Hash({name:"prototype", version:1.6 });

   alert( "test 1: " + Object.isHash(new Hash({ })) );
   alert( "test 2: " + Object.isHash($H({ })) );
   alert( "test 3: " + Object.isHash({ }) );
   alert( "test 4: " + Object.isHash(myHash) );
}

</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.


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