Confirm before closing a tab
Why won't Firefox ask my permission before closing a tab?
Additional System Details
- Shockwave Flash 28.0 r0
- User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:58.0) Gecko/20100101 Firefox/58.0
Means in your Generals the option to see it is unchecked and you need to go there to see what it says.
I don’t see a box at all for asking if I want them to ask my permission to close a tab on my computer. In the browser.
You mean there is nothing in General? Here's what mine shows. Look where the arrow points to.
You can easily undo a closed tab and reopen it in case you accidentally closed a tab. You can find "Undo Closed Tab" in the right-click context menu of the Tab bar.