Simon Willison’s Weblog

7 items tagged “xmlhttprequest”

rather baffling finding: POST requests, made via the XMLHTTP object, send header and body data in separate tcp/ip packets [and therefore,] xmlhttp GET performs better when sending small amounts of data than an xmlhttp POST

Iain Lamb # 18th August 2009, 12:27 pm

Reading binary files using Ajax. There’s a simple trick for Firefox, and (amazingly) you can get IE to play along using a function written in VBScript. # 22nd April 2008, 7:02 pm

Cross-Site XMLHttpRequest (via) “Firefox 3 implements the W3C Access Control working draft, which gives you the ability to do XMLHttpRequests to other web sites”—you can mark a document as available for cross-domain requests using either an Access-Control HTTP header or an XML processing instruction. # 9th January 2008, 11:57 pm

The Future of Comet: Part 1, Comet Today. Absolutely the best summary I’ve seen of all of the current Comet techniques in one place. # 11th December 2007, 1:13 pm

Ten New Things in WebKit 3. Does “incremental updates for persistent server connections” for XMLHttpRequest mean Safari now has native support for Comet? # 16th November 2007, 1:19 am

Which is the real explanation of where the name XMLHTTP comes from- the thing is mostly about HTTP and doesn’t have any specific tie to XML other than that was the easiest excuse for shipping it so I needed to cram XML into the name (plus- XML was the hot technology at the time and it seemed like some good marketing for the component).

Alex Hopmann # 24th January 2007, 8:48 pm

XMLHttpRequests using an IFrame Proxy (via) Another scary hack abstracted away by Dojo. # 1st August 2006, 5:40 pm