“In order to keep our pages accessible to non-mouse users, we must use non-mouse events like focus or keydown in addition to mouse events like mouseover and click. I created the new Event pairs page and related tests to study this problem.”

Everything you always wanted to know about the CSS3 “opacity” property (including the proprietary equivalents which work already, if that’s your cup of tea).

PPK writes about the one time where document.write is a good practice.