The Firefox developer tools provide an interactive console to write and prototype multiline JavaScript snippets.
Articles – Page 37
Keep writing, writing, writing ...
Learn how to use the "start" and "value" HTML attribute to specify list numbers in ordered lists.
Explanation of the idea to expose all user preference media queries in the browser UI.
A quick one-liner to navigate to the git root directory.
The table cell attribute "headers" allows you to associate multiple header cells which is useful for tables with rows or columns spanning multiple cells.