With the Quick Action feature, you can perform menu commands just by typing just a few keys on your keyboard.
Go to the CotEditor app 
on your Mac.
Open the command bar either by choosing View > Show Quick Actions or by pressing Command-K.
Type characters into the command bar.
The matched actions appear incrementally below the field.
It matches menu commands that contain all the typed characters, in order, across intermediate submenus and command titles
Select the action to perform in the list by pressing the ↓ or ↑ key.
Press the Return key to perform the selected action.
To close the command bar without performing an action, do one of the following:
Press Command-K again.
Press Esc.
Press Command-Period.
Press Return while no action candidates are shown.
Click outside of the command bar.