Asynchronous JavaScript and XML

AJAX is a term used to describe an approach to designing and implementing web applications.

AJAX stands for Asynchronous JavaScript and XML. The term was first introduced in an article by Jesse James Garrett of Adaptive Path, a web design company based in San Francisco.

He saw that it needed an easy way to choose a stylish design and then build the design for clients.

The main purpose of AJAX is to make web applications function like desktop applications.

HyperText Markup Language (HTML), the language used in the World Wide Web, was designed based on the idea of ​​hypertext or pages of text that can be associated within or to other documents.

HTML in order to function, the first user to do 'action' or send commands through a web browser which is then passed to the web server.

The server then processes the order, may send further orders, and finally respond to what the user requested.

While this approach works well in the early development of the Internet, for modern web applications, how the HTML will make users wait too long before orders can be responded.

Users are accustomed to quick response when they use the program from the desktop.



By adding an extra layer between the interface (interface) users and communication with the server, AJAX eliminates much lag time for a web application in carrying out its functions.

AJAX application consists of a number of applications that are used together to create a browsing experience faster and more enjoyable.

Various applications include Extensible HTML (XHTML) and Cascading Style Sheets (CSS) to build the basic structure of the page (underlyimg page structure) and visual style.

AJAX is quickly becoming popular and are used in a large variety of web sites. Google Maps, for example, in many ways symbolizes the excellence AJAX capable of displaying complex functions and interactivity almost flawless.

However, AJAX still can not be separated from the criticism. One criticism that often arises is the use of AJAX cause the system confused when the user presses the Back button on your browser.

However, this deficiency can be covered with all the advantages possessed by AJAX.

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