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XMLHttpRequest Last modified: Tuesday, April 17, 2007
Abbreviated as XHR, XMLHttpRequest is a set of APIs that can be used by Web browser scripting languages, such as JavaScript to transfer XML and other text data to and from a Web server using HTTP. XMLHttpRequest works by establishing a communication channel between a Web page's client-side and server-side. XMLHttpRequest can be used to fetch data in a number of formats including XML, HTML, JSON or plain text.  Examples of applications using XMLHttpRequest include Google Gmail and Google Maps. Browsers that support XMLHttpRequest include newer versions of Internet Explorer, Mozilla and Safari.
Ajax Examples and Demos (XMLHttpRequest) Ajax examples (XMLHttpRequest examples), code snippets and proof of concepts - the links below should help get you started on building your own functions with XMLHttpRequest and Ajax. Ajax Tutorial (Asynchronous Javascript And XML) Ajax uses a programming model with display and events. These events are user actions, they call functions associated to elements of the web page. Interactivity is achieved with forms and buttons. DOM allows to link elements of the page with actions and also to extract data from XML files provided by the server. To get data on the server XMLHttpRequest provides two methods. Developer.com Contains resources, tools, articles, discussion areas, and events of interest to Internet/intranet developers. Directories include: ActiveX, Java, JavaBeans, JavaScript, Microsoft and .NET, open source and VRML. What is XMLHttpRequest The XMLHttpRequest object is the key to AJAX. It has been available ever since Internet Explorer 5.5 was released in July 2000, but not fully discovered before people started to talk about AJAX and Web 2.0 in 2005.	Related Categories Browsers Programming Web 2.0 Web Development Web Services XML Related Terms API browser JavaScript JSON parse Web 2.0 Web services