Tutorials Point


  Learn Prototype
  Prototype Resources
  Selected Reading

Copyright © 2014 by tutorialspoint



  Home     References     Discussion Forums     About TP  

Prototype Enumerable findAll() Method


previous next AddThis Social Bookmark Button


Advertisements

This method returns all the elements for which the iterator returned true. This is an alias of as select() method.

The optional context parameter is what the iterator function will be bound to. If used, the this keyword inside the iterator will point to the object given by the argument.

Syntax:

Iterator.findAll();

Return Value :

  • Returns all the elements for which the iterator returned true.

Example:

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

<script>

function showResult(){
    
   alert($R(1, 10).findAll(function(n) { return 0 == n % 2; }));

   alert( [ 'hello', 'world', 'nice'].findAll(function(s) {
          return s.length >= 5;
   }));
}

</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