Asynchronous JavaScript And XML - AJAX
AJAX is a very new term to webpage development but actually it is not something new to us. I have summarize some of the feature and Adv/DisAdv of using AJAX on the following:
Advantage of Using Ajax
- Dynamically update
- no need to update entire page
- Site performance will increase largely
- limit the amount/times of data download/upload to/from server, and
- cpu usage, network traffic reduced
- Table edit directly in place
No need to go to other page to update the table
- Webpage richness and responsiveness increase
- more interactive webpage
Disadvantages in AJAX
- JavaScript enabled browser is needed
- Back button is not function anymore
- browsers usually record complete page requests in history lists.
- Browsers should W3C standards
Technology Used in Ajax
- XHTML and CSS
- Document Object Model - DOM
- XML and XSLT
- XMLHttpRequest as Asynchronous Transfer
- JavaScript
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