The full form of AJAX is Asynchronous JavaScript and XML. AJAX is not a technology but rather a combination of technologies. It makes use of a variety of web applications to provide a set of web design strategies. It connects to asynchronous development tools on the client side. With AJAX capability, we may send and extract information from the server asynchronously, i.e. without disrupting the current page on display.
AJAX uses a blend of:
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- XMLHttpRequest built-in browser object – To demand data from the web server
- HTML DOM and JavaScript – To showcase or use information
AJAX allows web pages to be updated asynchronously by exchanging data with a web server behind the scenes. It indicates that web page portions can be modified without reloading the full page.
History of AJAX
- Previously, all web pages were created entirely in HTML.
- They were difficult to use because it took a long time to reload the webpage each time.
- The Iframe tag was introduced by Internet Explorer in 1996.
- On 18 February 2005, Jesse James Garrett coined the name “AJAX” in an article titled “Ajax: A New Approach To Web Apps.”
Application of AJAX
- AJAX can be used in CSS & HTML for the presentation.
- The DOM (Document Object Model) showcases and interact dynamically with information.
- JSON as well as XML for Data Interchange
- XMLHttpRequest to communicate asynchronously
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Limitations of AJAX
- It will only be included in browsers that support it.
- Specific screen-reading techniques are not supported by Ajax.
- Some Ajax-enabled screen reading techniques will still be unable to interpret optimally generated content correctly.
- It is tough to bookmark and return to a given state of implementation.
- It produces intricate code that is difficult to maintain, debug, and code.