| Ajax as a combination of set of technologies. |
| Use of Ajax is combination is of four things – |
| 1: HTML/Xhtml, 2: JAVASCRIPT, 3: XML, 4: CSS. |
| 2. JAVASCRIPT(ECMA Script) used for the local processing and DOM (Document Object model) data access inside the page or access elements of XML file read on the server. |
| 3. Asynchronous data retrieval with XMLHttpRequest object. |