AJAX Tutorials

The History of AJAX

  • 2007-09-04
  • Comments
  • Emiley J
  • 1161

In the beginning, there was the World Wide Web. Compared with desktop applications, web applications were slow and clunky. People liked web applications anyway because they were conveniently available from anywhere, on any computer that had a browser. Then Microsoft created XMLHttpRequest in Internet Explorer 5, which let browser-side JavaScript communicate with the web server in the background without requiring the browser to display a new web page. That made it possible to develop more fluid and responsive web applications. Mozilla soon implemented XMLHttpRequest in its browsers, as did Apple (in the Safari browser) and Opera.
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To use or not to use AJAX

  • 2007-09-04
  • Comments
  • Emiley J
  • 1161

When you use Ajax techniques to update portions of a web page, the user gains responsiveness and fluidity. However, the user also loses the ability to bookmark and to use the browser's back button. Both of these drawbacks stem from the same fact: the URL does not change because the browser has not loaded a new page.
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How to Make an HTTP Request in AJAX

  • 2010-11-28
  • Comments
  • Ram Baskar
  • 1161

In order to make an HTTP request to the server using JavaScript, you need an instance of a class that provides you this functionality. Such a class was originally introduced in Internet Explorer as an ActiveX object, called XMLHTTP. Then Mozilla, Safari and other browsers followed, implementing an XMLHttpRequest class that supports the methods and properties of Microsoft's original ActiveX object.
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Handling the Server Response in AJAX

  • 2010-11-28
  • Comments
  • Ram Baskar
  • 1161

Remember that when you send the request, you provide the name of a JavaScript function that is designed to handle the response. eg:
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A complete sample program in AJAX

  • 2010-11-28
  • Comments
  • Ram Baskar
  • 1161

Here is a complete AJAX example with a simple HTTP request. Our JavaScript will request an HTML document, test.html, which contains the text "I'm a test." and then we'll alert() the contents of thetest.html file.
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XML vs JSON in AJAX

  • 2009-01-17
  • Comments
  • Emiley J.
  • 1161

If you are working with AJAX, you probably use either one of them or both of them. However there are pros and cons of using each of them. One major drawback of using XML is the speed. XML requires two tags for every data point. These additional data in transmission between the server and the client slows down the data exchange and wastes bandwidth.
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How to Make an HTTP Request in AJAX

Handling the Server Response in AJAX

A complete sample program in AJAX

XML vs JSON in AJAX

Creating JSON objects using Java in AJAX

The History of AJAX

To use or not to use AJAX

Archived Comments

1. i installed the code in ecllipse,but i have one do
View Tutorial          By: vamsi at 2015-05-19 10:56:25

2. hello!!can anyone help me. can you send me the com
View Tutorial          By: denisse at 2008-01-07 05:40:25

3. Hi Ramlak
I am trying to run your code.

View Tutorial          By: jainitya at 2011-05-04 12:26:16

4. thnx, 4 ur explanation, that was usefl
but

View Tutorial          By: some1 at 2009-04-28 03:26:28

5. can u plz send me jsf material in my gmail.
View Tutorial          By: rajesh at 2013-06-09 11:40:11

6. well written hog .good going
View Tutorial          By: Rajesh at 2010-08-17 03:38:05

7. please help me on "why subclass of stack is
View Tutorial          By: mahendra at 2012-12-15 03:39:22

8. what is the use of int getch(void)
and unge

View Tutorial          By: sania at 2014-06-04 17:15:30

9. I have altered the code as described (xml addition
View Tutorial          By: Spijker at 2015-10-14 12:27:47

10. good explanation with sample example makes me to u
View Tutorial          By: jagan.java at 2013-01-04 09:10:21