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Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
Bulletproof Ajax
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Bulletproof Ajax

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Amedia 2007 Europe, London june 7th-8th

Amedia 2007 Europe, London june 7th-8th

Published in: Technology
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Transcript

  • 1. Bulletproof Ajax
  • 2. Bulletproof progressive enhancement
  • 3. behaviour JavaScript presentation CSS structureHTML content
  • 4. <p> This is the introduction </p> <p style=quot;font-weight:boldquot;> This is the introduction </p> <p class=quot;introquot;> This is the introduction </p> .intro { font-weight:bold; }
  • 5. <a href=quot;help.htmlquot;> Need help? </a> <a href=quot;help.htmlquot; onclick=quot;window.open (this.href); return false;quot;> Need help? </a> <a href=quot;help.htmlquot; class=quot;helpquot;> Need help? </a>
  • 6. window.onload = function() { // get links with class help // loop through links link.onclick = function(){ window.open(this.href); return false; }; };
  • 7. beware <a href=quot;javascript:...quot;> <a href=quot;#quot; onclick= quot;...quot;>
  • 8. communicating with the server without refreshing the whole page. Ajax
  • 9. communicating with the server without refreshing frames the whole page. iframe Flash XMLHttpRequest
  • 10. Microsoft IE5 Mozilla Safari Opera W3C XMLHttpRequest
  • 11. send responseText open status browser XHR server XMLHttpRequest
  • 12. speed
  • 13. thin client
  • 14. thin client browser server displaying data processing
  • 15. fat client
  • 16. fat client browser XHR server displaying data processing
  • 17. dumb waiter
  • 18. progressive enhancement using XMLHttpRequest
  • 19. progressive enhancement Hijax
  • 20. browser server displaying data processing
  • 21. deceptively fat client browser XHR server displaying data processing
  • 22. { navigation search main content browser server on form log shopping cart footer
  • 23. navigation search main content browser XHR log on form shopping cart footer
  • 24. paradox? plan for Ajax from the start implement Ajax at the end
  • 25. pattern recognition add a comment log on add to cart rate this search results? pagination?
  • 26. documents applications
  • 27. design challenges
  • 28. WTF? what is happening? what just happened?
  • 29. beyond the browser the back button bookmarking
  • 30. user testing
  • 31. Accessibility Just Ain’t eXciting
  • 32. “Unless a way can be found to notify screen readers of updated content, Ajax techniques cannot be considered accessible.”
  • 33. “This Ajax application is usable by screen- reader users some of the time. They aren’t totally shut out, but it isn’t totally easy for them, either.”
  • 34. “The power of the Web is in its universality. Access by everyone regardless of disability is an essential aspect.”
  • 35. k thx bai adactio.com http://flickr.com/photos/flydown/42047131/ http://flickr.com/photos/bizzygirl/291918549/ http://flickr.com/photos/benchan/150094224/ http://flickr.com/photos/rogerjones/121736518/ http://flickr.com/photos/chuckbiscuito/161971512/

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