665361 - Certain sites (eg Youtube) are able to "disable" Firefox shortcuts (eg CTRL+T)

Status: RESOLVED DUPLICATE of bug 78414

(Firefox :: General, defect)

Description

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User-Agent:       Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0.1) Gecko/20100101 Firefox/4.0.1
Build Identifier: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0.1) Gecko/20100101 Firefox/4.0.1

What happens is certain sites eg Youtube (or even when you have a PDF document open in a tab), disables keyboard shortcuts including scrolling through tabs or opening new tabs/windows.

Reproducible: Always

Steps to Reproduce:
1. Open a few tabs (gmail, mozilla, youtube)
2. Start playing a Youtube vid
3. Key CTRL+t to open a new tab
4. Key CTRL+n to open a new window
5. Key CTRL+TAB for the next tab
6. Key CTRL+SHIFT+TAB for previous tab

Actual Results:  
The shortcuts are not working

Expected Results:  
I expect to be able to scroll through my open tabs. I sometimes leave a Youtube vid open to watch later (when I don't mind using the mouse). But when I'm coding and performing every day tasks, I HATE having to use the mouse/touchpad