PUBLIC MARKS from "Xavier Lacot" with tags opera & javascript

An Opera article, which explains how to build a simple HTML5 video player in a couple of minutes

The most expensive javascrit line ever : the story of "if (is.opera) window.location.href="config/error.htm";"

The announcement of Carakan, Opera's new ECMAScript Engine, using register-based bytecode instruction set. The first benchmarks show that Carakan is about two and a half times faster at the SunSpider benchmark than the ECMAScript engine in Presto 2.2 from Opera 10 Alpha.

Algorithm Ink is a port and extension of Context Free by Aza Raskin. The original grammar was originally conceived of by Chris Coyne. Algorithm Ink uses open-web, standards-based tools: no plugins required. You can even right-click to save the drawings. The caveat is that Firefox 3, and Opera 9.5 are the only browsers to fully support Canvas, so it may run slower on Safari, and not at all in Internet Explorer.