AJAX Tutorials

The History of AJAX

  • 2007-09-04
  • Comments
  • Emiley J
  • 161

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
  • 161

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
  • 161

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
  • 161

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
  • 161

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.
  • 161

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. How to print lee alone for the eg above........I n
View Tutorial          By: sa at 2013-04-01 07:43:03

2. thanx allot its a very good sample , but im trying
View Tutorial          By: Waleed Qaffaf at 2011-06-09 09:37:15

3. This is very good Article. On high level I am anba
View Tutorial          By: Sandeep at 2010-08-27 00:40:22

4. very easy way for understanding the java programmi
View Tutorial          By: praveen chandrakar at 2010-10-14 20:26:53

5. sir i want to knw abt all simple java programs pls
View Tutorial          By: sakthi at 2011-08-29 14:06:10

6. Thank you, Every thing is working fine...!!

View Tutorial          By: Purushothaman at 2009-04-10 07:18:38

7. excellent
View Tutorial          By: shamim at 2011-07-08 02:39:31

8. In case your having trouble

1 the a

View Tutorial          By: Sin at 2013-01-17 05:40:37

9. i want to SCJP exam ,tell how to apply for this ex
View Tutorial          By: PRABAKARAN at 2013-07-16 13:32:50

10. i am getting force closed with this code...

View Tutorial          By: kamlapati at 2011-07-16 06:06:31