All notes
Firefox

Basics

Developers

Developer tools

developer.mozilla.org: search and filter.

For Mac:
⌘ P to search for sources
⌘ ⇧ F to find in files
! 	Search for the string across all files.
@ 	Search for function definitions, across all files, containing the string.

file.js:12 	Open "file.js" and go to line 12
mod#onLoad 	Find the string "onLoad" in all files containing "mod" in their name.

Disable cache

MozillaSupport: Firefox doesn't reflect changes to CSS.

Ctrl+F5.

Pop open Firefox's developer tools (Ctrl + Shift + I in Windows) and head to the tools' settings (gear icon). There's an option in there to disable the browser's cache while you've got the tools open.

CentOS

Mozilla.

Addons

FAQ

How to disable the blinking cursor?

Hit F7 to turn off the Caret browsing mode.