Web | This Site

Learn Prototype
Prototype Resources
Selected Reading
© 2011 TutorialsPoint.COM

| Home |  | References |  | Discussion Forums |  | About TP

# Prototype Enumerable findAll() Method

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.

Advertisement

Online Image Processing

Indian Baby Names