XML, JSON, and AJAX

 Extensible Markup Language (XML)

- It lets you define and store data in a shareable manner. XML supports information exchange between computer systems such as websites, databases, and third-party applications.











JSON

- is an open standard file format and data interchange format that uses human-readable text to store and transmit data objects consisting of attribute–value pairs and arrays. It is a commonly used data format with diverse uses in electronic data interchange, including that of web applications with servers.










AJAX

- It is a set of web development techniques that uses various web technologies on the client-side to create asynchronous web applications. With Ajax, web applications can send and retrieve data from a server asynchronously without interfering with the display and behavior of the existing page.




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