I recently switched from Chrome to Firefox (OS X version 5.0.1) and I'm surprised to see that Cmd + Delete is not working.

When I hit Cmd + Delete in any editor (as well as Chrome and Safari), the line left of the cursor is deleted. This unfortunately doesn't work on Firefox. Is there a way to enable it?


Cmd-Delete works in the newest version of Firefox and Chrome, since they both respect macOS keyboard shortcuts now.

The old Bash shortcut Ctrl-U does not work in these browsers anymore. It does, however, work in a Terminal.

  • Yeah, it's kind of hard to explain.. and unfortunately very application specific. – slhck Jul 13 '11 at 12:35
  • AFAIK, Firefox uses Ctlr + U for view source. – Chen Levy Jul 18 '17 at 7:42
  • @ChenLevy On Windows, I guess. This question is about OS X / macOS. But ever since posting the answer, Firefox have adopted the standard OS X shorcuts. – slhck Jul 18 '17 at 7:46

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