XmlHttpRequest object,how should I use?
XMLHttpRequest object is a kind of web client that can retrieve and submit XML data directly then convert retrieved XML data into HTML content.


 XMLHttpRequest object is supported in almost browser providers:


- Microsoft,it works as an ActiveX and is supported in Internet Explorer 5.0 or later as an  
  ActiveX object


- Mozilla,in Firefox1.0 or later


-  Apple,in Safari1.2 or later


How to create?
Currently,there are two ways to create object based on the browser provider:


 For Microsoft:


Var oXMLRequest = new ActiveXObject(“Microsoft.XMLHTTP”);


 For Mozilla and Safari


 Var oXMLRequest = new XMLHttpRequest();


 

                    

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