How to Enable New Animation in Mozilla Firefox Preferences / Options Window?

UPDATE: Many readers have confirmed that this trick also works in previous versions.

It seems Mozilla team is really hard working on Firefox's upcoming version 4.0.

A new sweet animation has been added to "Preferences" (Options) window which is currently disabled by default but can be enabled using "about:config" method.

To enable this new animation you can use following simple steps:

1. Open Firefox and type about:config in the addressbar and press Enter. It'll confirm, click on I'll be careful, I promise! button.

2. Now type animatefade in the Filter box and look for following boolean key:

browser.preferences.animateFadeIn

Enable_Hidden_Secret_Slide_Animation_Firefox_Preferences

3. The entry "browser.preferences.animateFadeIn" would be set to false. Double-click on it or right-click on it and select "Toggle". It'll set its value to true.

4. Now select "Tools -> Options" and navigate through various tabs and you'll see the new animation while changing to a tab.

The window length will increase/decrease according to the number of options available in the current tab as shown in following video:

PS: I can remember the feature was first seen in Safari web browser.





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Posted in: Mozilla Firefox


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Comments

  • Cool. Bit faster animation than on Safari.

  • This even works with Ff 17.01

  • I don't think they ever removed it :P Pretty sure I'm using it, and I'm on the latest Nightly build.

  • As of Mozilla Firefox v38.0.5 Preferences / Options Window now opens in a new tab at about:preferences.

  • My mistake I had browser.preferences.inContent set to True.

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