AJAX Http Requests
AJAX Uses HTTP Requests
user information to a server, you will have to make an
HTML form and GET or POST data to the server. The user will have to click
the "Submit" button to send/get the information, wait for the server to respond, then a new page will load with the
Because the server returns a new page each
time the user submits input, traditional web applications can
run slowly and tend to be less user-friendly.
With an HTTP request, a web page can make a request to, and get a response from a web
server - without reloading the page. The user will stay on the same page, and he
or she will
not notice that scripts request pages, or send data to a
server in the background.
The XMLHttpRequest Object
By using the XMLHttpRequest object, a web developer can update a page with data from the server
after the page has loaded!
AJAX was made popular in 2005 by Google (with Google Suggest).
is using the XMLHttpRequest object to create a very dynamic web interface:
to a server and the server returns a list of suggestions.
The XMLHttpRequest object is supported in Internet Explorer 5.0+, Safari 1.2,
Mozilla 1.0 / Firefox, Opera 8+, and Netscape 7.
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