Simon Willison’s Weblog

swf Image Replacement. Really neat idea: unobtrusively replace an inline image with a SWF, then apply effects like rotation, rounded corners and drop-shadowns. Shame it suffers from Flash-Of-Unstyled-Content. # 27th February 2007, 7:51 pm

Serving YUI Files from Yahoo! Servers (via) If everyone who uses YUI links to the same set of files, your users will already have the YUI code cached in their browser when they arrive on your site. # 23rd February 2007, 6:45 pm

John Resig: Thoughts on OpenAjax. I hadn’t looked in to OpenAjax—from John’s analysis it seems like they need to make it easier for open-source projects to participate and do a bunch of work to modernise their core library. # 22nd February 2007, 10:20 pm

parseDateString function in dateparse.js return wrong date for ’2006-12-31’. I didn’t realise that you have to initialise a JavaScript Date object in a certain order; if you don’t weird bugs can result. # 17th February 2007, 7:04 pm

Neighbourhood Fix-It. Report problems to your council across the UK. The most detailed Ordinance Survey maps anywhere online, and a superb example of progressive enhancement in action—the maps work without JavaScript, and the site even works without images! # 17th February 2007, 5:05 pm

The Zimki Plan. Zimki is a hosted JavaScript application server by Fotango. The idea is to open source it, then build a component so developers can seamlessly switch to hosting on Fotango’s server farm if they need to handle a spike in traffic. # 16th February 2007, 3:50 pm

Sumo! A Generic Microformats Parser For JavaScript. Dan Webb’s BarCamp talk on Metaprogramming JavaScript will be a must-see. # 9th February 2007, 10:57 am

Live DOM Viewer (via) Neat tool from Hixie that provides an insight in to what browsers are actually thinking. # 6th February 2007, 1:12 am

The window.onload problem (still). Peter Michaux offers the most comprehensive overview of this important topic to date. # 5th February 2007, 8:13 pm