Prototype

Introduction

Library to support AJAX.

Using

Library

just add

<script type="text/javascript" src="prototype.js"></script>

to the header section of the html file.

Making a Request

Is by Definition asynchronous.

new Ajax.Request('<RelativeURL>',
  { method:'get', 
    parameters: {<Parametername>: <Value>, <ParameterName>: <Value>, ...}    
    <Callback>: function(transport)
    {       
      var response = transport.responseText || "no response text";       
      alert("Success! \n\n" + response);     
    },     
    <Callback>: function()
    { 
      ... 
    }   
  });

Callbacks can be onSuccess, onFailure, onComplete, onException, ...

Passing Form Parameter

parameters: $('<FormName>').serialize(true)

Continous Update

new Ajax.PeriodicalUpdater('<ElementName>', 
                           '<RelativeURL>',   
{     
  method: 'get',     
  insertion: Insertion.Top,     
  frequency: 10, // seconds    
  decay: 2 // seconds
});