settings/ borderify.js manifest.json options.html options.js. Now: reload the extension; load a web page; open the settings page and change the border color; reload the web page to see the difference. In Firefox you can access the settings page by visiting about:addons and clicking the Preferences button next to the extension's entry.

Apr 02, 2019 Configuring Firefox to use the Windows Certificate Store Repeat these steps to copy 'local-settings.js' to C:\Program Files (x86)\Mozilla Firefox\defaults\pref\local-settings.js Distributing Firefox preferences with the Firefox installer These files can also be copied by script to the correct location during installation, if you are performing a scripted Firefox installation. How to block annoying ads using an ad blocker The average person sees an average of 4,000 ads a day. If you think that’s too many, an ad blocker is your new best friend. An ad blocker is a piece of software that can … Settings - Firefox Developer Tools | MDN The rest of the settings are on the Developer Tools Settings Pane. To see the settings, open any of the Developer Tools, and then: click the "Settings" command in the menu: or press F1 to toggle between the active tool and the Settings pane; The Settings pane looks something like this: Categories Default Firefox …

Extensions – Add-ons for Firefox (en-US)

Browse to about:config in any Firefox window. On the warning page, press I'll Be Careful, I Promise! … FoxFilter – Get this Extension for 🦊 Firefox (en-US) Mar 30, 2019

Firefox options, preferences and settings | Firefox Help

Changing the Language of Firefox Directly From the Browser Apr 02, 2019 Configuring Firefox to use the Windows Certificate Store Repeat these steps to copy 'local-settings.js' to C:\Program Files (x86)\Mozilla Firefox\defaults\pref\local-settings.js Distributing Firefox preferences with the Firefox installer These files can also be copied by script to the correct location during installation, if you are performing a scripted Firefox installation. How to block annoying ads using an ad blocker The average person sees an average of 4,000 ads a day. If you think that’s too many, an ad blocker is your new best friend. An ad blocker is a piece of software that can … Settings - Firefox Developer Tools | MDN