Ajax's Model of Interaction

In the AJAX model, the client sends a JavaScript to AJAX, and AJAX sends the HTTP(S) request to the web server which can also serve XML. The web/XML server sends back the result in the form of XML, and AJAX relies on the Document Object Model (DOM: blue print of web document) to transmit the result in XHTML and CSS. It does so by reading the returned XML's node tree using DOM. The interaction could be synchronous or asynchronous.

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