Ajax



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Ajax Interview Questions And Answers

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  1. AJAX is stands for Asynchronous Javascript And XML.
  2. Ajax was first comes at 2005.It is an web development technique used to make interactive web applications and rich internet applications.
  3. Ajax is based on JavaScript and HTTP request.  Ajax are use to retrieve data from server asynchronously to web applications without any interfere with display and characteristics of existing page.
  4. Using Ajax we can enhance interactive animation on web pages.
  5. Using Ajax we can create better,faster and more user friendly web applications.

By using Ajax Polling script we can send request to the server and receives response according to request from server.
Using Ajax we can return the response to your browser.
Ajax is an light weight.So,it is the act of retrieving data from server regularly to obtain near like data.

 Internet Explorer uses an ActiveXObject while other browsers uses the built-in JavaScript object called XMLHttpRequest.

Example:
<html>
<body>
<script type="text/javascript">
function ajaxFunction()   
{
  var xmlHttp;   
try     
{
// Firefox, Opera 8.0+, Safari
xmlHttp=new XMLHttpRequest();
}   
catch (e)     
{
// Internet Explorer
try       
{
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
}     
catch (e)       
{
try         
{
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}       
catch (e)         
{
alert("Your browser doesn't supported by Ajax!");
return false;
}
}
}
}
</script>

Because Java is a more comfortable for AJAX. Than you can use Java Enterprise Edition servers to generate Ajax client pages and to serve incoming 

Ajax requests and to manage server side state for Ajax clients and connect Ajax clients to your enterprise resources.

The JavaServer Faces component model is a more comfortable for defining and using Ajax components.


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Ajax Objective Questions And Answers

Ajax Objective Questions And Answers

Ajax Interview Questions And Answers

Ajax Interview Questions And Answers


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