Web technologies -- Laboratory 10 -- 2007-2008 -- info.uvt.ro

These pages are somehow outdated and it is recommended to consult the newer version at Web technologies -- 2009-2010 -- info.uvt.ro (by Marc Frâncu).

Navigation

• Web technologies -- 2007-2008 -- info.uvt.ro
  • Web technologies -- Laboratory 1 -- 2007-2008 -- info.uvt.ro
  • Web technologies -- Laboratory 2 -- 2007-2008 -- info.uvt.ro
  • Web technologies -- Laboratory 3 -- 2007-2008 -- info.uvt.ro
  • Web technologies -- Laboratory 4 -- 2007-2008 -- info.uvt.ro
  • Web technologies -- Laboratory 5 -- 2007-2008 -- info.uvt.ro
  • Web technologies -- Laboratory 6 -- 2007-2008 -- info.uvt.ro
  • Web technologies -- Laboratory 7 -- 2007-2008 -- info.uvt.ro
  • Web technologies -- Laboratory 8 -- 2007-2008 -- info.uvt.ro
  • Web technologies -- Laboratory 9 -- 2007-2008 -- info.uvt.ro
  • Web technologies -- Laboratory 10 -- 2007-2008 -- info.uvt.ro
    • Web technologies -- Laboratory 10 -- AJAX -- 2007-2008 -- info.uvt.ro -- Victor Blaga
    • Web technologies -- Laboratory 10 -- Templating engines -- 2007-2008 -- info.uvt.ro -- Alexandru Todor

AJAX

References

• AJAX -- Wikipedia

Documentation, tutorials, articles

• AJAX Tutorial -- W3Schools

Discussion points

• AJAX = Asynchronous JavaScript and XML
  • Asynchronous
  • JavaScript
• it is a technique;
• purpose: overcoming the page loading/reloading mechanism of web browsers;
• usage:
  • validation;
  • autocompletion;
  • user interface enhancements;
  • data loading/synchronization without reloading;
• ultimate goal: web pages as desktop applications;
• disadvantages:
  • doesn't play nice with bookmarks, history;
  • doesn't play nice with manual URL browsing;
  • doesn't play nice with search engines;
  • in-accessibility for browsers without JavaScript;
  • in-accessibility to persons with disabilities;
• alternatives:
  • XForms
  • Flash

API

• XMLHttpRequest

---

Ciprian Dorin Craciun, 2007-12-12, ccraciun@info.uvt.ro