AJAX- Asynchronous JavaScript and XML
This tutorial teaches you basic concepts of AJAX to get you started with
AJAX. This tutorial teaches you AJAX with the help of toy examples.
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- Introduction: AJAX is acronym for Asynchronous
JavaScript and XML. AJAX is used to do HTTP requests for a small portion
of the web page instead of the whole web page and thus increasing the
performance.
- XMLHttpRequest: Traditionally in web applications
a HTML page has a form tag or a link and the request is sent to server
by POST or GET and whole new page is received by the browser. However
in the AJAX the request can be sent through a JavaScript object called
XMLHttpRequest object.
- Properties of XMLHttpRequest: There are
various properties associated with XMLHttpRequest which need to be used
to complete AJAX life cycle. Lets learn what these properties are all
about.
- Functions of XMLHttpRequest: There are
various functions associated with XMLHttpRequest which need to be used
to complete AJAX life cycle. Lets learn what these functions are all
about.
- First AJAX Program: Combine all your above
learnings to write your first AJAX program - “Word of the Day”.
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