Rocky Shoals of Ajax Development

>Alex Bosworth has written a lot on practicalities of Ajax including quirks. His latest piece details the Rocky Shoals of Ajax Development in which he discusses:

Browser Quirks and Limitations

MLHttpRequest can’t access remote server
Multiple Ajax Requests are not fired in order
Asynchronous XMLHttpRequests responses will arrive in no particular order
XMLHttpRequest does not requires the use of XML
Ajax uses UTF-8
Ajax requests are url encoded
XMLHttpRequest cannot transmit files
Firefox: Synchronous XMLHTTPRequests lock up Firefox
IE: XMLHTTPRequest Objects are not reused in IE
IE doesn’t use cached images when Javascript inserts HTML with images
IE: Closures with circular references in IE cause memory leaks
IE: Avoiding aggressive caching in IE
IE corrupts gzipped javascript files
IE doesn’t cache gzipped Javascript files

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IE doesn’t cache gzipped JS files????? Oh my freakin god! Excuse me I have to go admin my server…

Comment by Alex — May 10, 2006

Hi,

Reusing XHR in IE is possible. That’s not a bug. Please see my article for that. http://keelypavan.blogspot.com/2006/03/reusing-xmlhttprequest-object-in-ie.html

Thanks
Pavan Keely

Comment by Pavan Keely — May 10, 2006

I’m use Yahoo open source library. They write good function to work with javascript remote connection.

Comment by Vladimir Prudnikov — May 12, 2006

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