Tutorials Point


  Learn Prototype
  Prototype Resources
  Selected Reading

Copyright © 2014 by tutorialspoint



  Home     References     Discussion Forums     About TP  

Prototype keys() Method


previous next AddThis Social Bookmark Button


Advertisements

This method returns an Array of all keys for the hash.

Syntax:

hash.keys()  ;

Return Value :

  • Returns an array of the strings having all the keys of the hash.

Example:

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

function showResult(){

  var h = $H({ name: 'Prototype', version: 1.6 });
  var arr = h.keys();

  arr.each(function(item) {
      alert(item );
   });

}

</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.



previous next Printer Friendly

Advertisements


  

Advertisements