What is AJAX?

An abbreviation of Asynchronous JavaScript and XML is called AJAX.

AJAX is a programming language for web development application in 2005 which was suggested by Google. It’s uses conventional standards for developing various web applications. AJAX is a really a great programming language which makes an efficient, faster and high quality web system. AJAX is based upon JavaScript and HTTP requests.

AJAX is becoming very popular language in web developers and many web development companies use this language for developing user friendly web applications.

Asynchronous JavaScript XML:

Asynchronous Data Transfer which is known as HTTP requests in between remote user browser and web server using JavaScript which request only those information that is going to transfer instead of transferring whole web pages.

AJAX uses XMLHTTPRequest object for data to deal with web server without reloading the whole web page. This makes web application system faster, efficient and user friendly while communication a local browser to the web server.

Web Standards for AJAX:

1. XML(Extended Mark Up Language)

2. Java Script

3. CSS( Cascading Style Sheet)

4. HTML(Hyper Text Mark Up Language)

Pros and Cons of AJAX:

Pros of AJAX:

1. Creates Rich Web Applications

2. Ajax used to develop Web 2.0 systems

3. Can be access from any where with out risk of data theft

4. Makes faster connection with web server

Cons of AJAX:

1. AJAX can not be used for time critical web application systems

2. Internet connection required to interact with web server

3. JavaScript and XML Http enabled devices can only use these applications.

4. Since JavaScript supports client side server therefore another programming language requires for server side scripting.

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