AJAX Tutorials

The History of AJAX

  • 2007-09-04
  • Comments
  • Emiley J
  • 10076

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
  • 10076

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
  • 10076

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
  • 10076

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
  • 10076

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.
  • 10076

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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Most Viewed Articles on AJAX

Latest Tutorials

Related Tutorials

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. just I am need of some of the soft copy related to
View Tutorial          By: shani at 2015-08-12 06:01:05

2. it is very useful and in understandable manner
View Tutorial          By: Deepika at 2012-03-26 05:10:15

3. thanks for providing information in a simple langu
View Tutorial          By: shailaja at 2010-09-01 03:50:41

4. We migrated to office365 this morning and i was ab
View Tutorial          By: Muthukumaran at 2012-09-01 08:37:27

5. I am using VS 2010 Express and MS Excel 2007 where
View Tutorial          By: Alphin at 2012-07-06 10:57:07

6. how to declare Array ?? in LINUX
i m try th

View Tutorial          By: Chand at 2012-03-18 06:47:09

7. Thanks ,got useful information on toString().
View Tutorial          By: jaffar at 2011-08-01 10:15:04

8. This is very much useful to me to complete my assi
View Tutorial          By: Eva Jhonson at 2012-09-30 16:44:08

9. ""this"" is a implicit keyword
View Tutorial          By: Gangireddy at 2012-02-15 08:35:18

10. very brief and easy to understand description of R
View Tutorial          By: moona at 2010-05-26 22:49:26