The "Add panel" button adds an entry to Opera's or Firefox's bookmarks or Mozilla/Seamonkey's panels list. The page will be directly available as a panel in Opera's "Panels" (F4) or Mozilla's/Seamonkey's "Sidebar" (F9). In the case of Firefox, open the page in the "Sidebar" by selecting it from the Bookmarks.
Preview
Panels linked to online content or services
Add panel Preview CSS 3 Quick Reference
Navigate the properties, values, and contents of CSS 2.1 and the various CSS 3 modules with ease! Based on the CSS 2.1 QR created by Eric Meyer. Links to the specs on www.w3.org.
Add panel Preview CSS 2.1 Quick Reference
Navigate the properties, values, and contents of CSS 2.1 with ease! Originally created by Eric Meyer. This version links to the spec on www.w3.org.
Add panel Preview HTML 4.01 Quick Reference
Get lists of elements and attributes, and even see at a glance which are deprecated and which require close tags! Created by Eric Meyer. This version links to the spec on www.w3.org.
Add panel Preview Core JavaScript 1.5 Guide
Index for the Core JavaScript 1.5 Guide that has been migrated to Defmo
Add panel Preview Lipsum
Generate Lorem Ipsum text, using the Lorem generator from www.lipsum.com
Panels linked to local content
To install local copies of these panels in your browser (no dependencies on other sites, and faster), download the panels.zip file, unzip to a convenient location and open the included file 'panelizer.html' in your browser.
Add panel Preview CSS 2.1 Quick Reference
Navigate the properties, values, and contents of CSS 2.1 with ease! Originally created by Eric Meyer. This version uses a local copy of the spec. (2007-07-20: local copy of spec updated for the latest CSS 2.1 Candidate Recommendation from 2007-07-19)
Add panel Preview HTML 4.01 Quick Reference
Get lists of elements and attributes, and even see at a glance which are deprecated and which require close tags! Created by Eric Meyer. This version uses a local copy of the spec.
Add panel Preview HTTP cheatsheet
Modified from Hallvord's cheatsheet for the HTTP 1.1 specification, extended by Michael Johnson with extra response codes, method headers, and links to the RFC.
Add panel Preview Ascii-Hex convertor
Convert ASCII to hex and vice versa
Add panel Preview JavaScript console for Opera 7 - 8
Kåre's panel version of Opera's JavaScript console, version KB 1.1, to be used instead of Opera's built-in JavaScript console
Add panel Preview Another JavaScript console for Opera 7 - 8
Andrew Gregory's panel version of Opera's JavaScript console, version 2005-01-14, to be used instead of Opera's built-in JavaScript console
Add panel Preview Tasks list
Flash based tasks list, created by My Opera visitor Marcelo Volmaro
Add panel Preview Calendar
Calendar panel v.0.7, multiple styles included, created by Frenzie
Add panel Preview Stopwatch
Simple JavaScript stopwatch
Add panel Preview ROT 13
Decode/Encode ROT 13
Panels hosted at third party sites
Add panel Preview Head
Panel for seeing http headers, from tntluoma.com/
Add panel Preview Selectoracle
Decipher CSS Selectors (needs 'Small Screen' setting!), service from The Opal Group, panel from tntluoma.com/
Add panel Preview Andrew's Games
Tetris and Minesweeper; great for testing DOM performance in a panel
Add panel Preview XSLT Quick Reference
A DevEdge resurrected sidebar. Note: This incarnation of DevEdge is temporary, so be prepared to change the links at some point later in time.
Add panel Preview DOM2 Quick Reference
A DevEdge resurrected sidebar. Note: This incarnation of DevEdge is temporary, so be prepared to change the links at some point later in time.
Add panel Preview Unicode Charts
All Unicode Charts, in a pretty layout, by Aleto
Add panel Preview HTML Entities
HTML entity reference that includes browser compatability info, from Tarquin's HowToCreate.
Add panel Preview HTML Entities
Simplified HTML entity reference, from Toman.
Add panel Preview PHP Function Reference
With links to the PHP manual, from Toman
Add panel Preview Colors
Color reference for HTML/CSS, with name and hex code, from Toman.
Add panel Preview Safe Fonts
Browser safe fonts reference with preview, from Novice Notes
Style settings
Choose the link colors for this page and the panels styled the same way:
Rijk van Geijtenbeek, people.opera.com/rijk/. Last updated: 2010-04-03. Check for updates online.