Discuss the articles posted on Dev.Opera.
By zibin
Wednesday, 8. October 2008, 15:45:36
Introduction to User JavaScript
This article provides an introduction to User JavaScript, a feature in Opera that allows you to apply custom JavaScript to pages you view whilst surfing the web to enhance functionality or fix annoyances.
( Read the article )
By XenoFur
Friday, 10. October 2008, 02:06:49

Sorry to be blunt, but what the hell?
Domain detection via the script itself?
Why not use the perfectly good @include header and avoid running it in the first place?
Life example:
// ==UserScript==
// @include http://www.alchemicdream.*/tools/*
// ==/UserScript==