Here is some news from the first half of March.
HTML
Nicholas Zakas writes about the popular techniques for supporting HTML 5 in legacy browsers, Using HTML 5 Semantic Elements Today, including which technique he feels is the best.Frameworks
The Dojo team has released version 1.6. It contains a lot of little improvements. I’m particularly interested in the new.watch()
function of widgets which allows developers to follow widget attribute changes.Browsers
Microsoft wrote an article discussing, Preparing Your Site For IE 9.
The YSlow plugin comes to chrome, YSlow for Google.
Other
John Resig wrote a word game that has to frequently look up words in a dictionary. Over several weeks and many comments he analyses various techniques for optimizing his dictionary lookups:Dictionary Lookups in JavaScript
JavaScript Trie Performance Analysis
Revised JavaScript Dictionary Search