Code Editor supports the following shortcuts:

Escape

Show Completions

Tab

Insert Indent (depending on the preference of tabs or spaces)

Command + N

New Document Tab

Command + W

Close Tab

Command + S

Save

Command + Z

Undo

Command + Shift + Z

Redo

Command + A

Select All

Command + X

Cut

Command + C

Copy

Command + V

Paste

Command + F

Find

Command + G

Find Next

Command + Shift + G

Find Previous

Command + /

Toggle Comment

Command + [

Indent Selection

Command + ]

Dedent Selection

Command + Shift + [

Move to previous tab

Command + Shift + ]

Move to next tab

Command + 4

Toggle Preview (Editor only)

Command + K

Clear Scrollback (Terminal and Playgrounds only)

Command + R

Reload (Preview only)

Command + Left Arrow

Back (Preview only)

Command + Right Arrow

Forward (Preview only)

Shift + Left Arrow

Select the previous character

Shift + Right Arrow

Select the next character

Command + Left Arrow

Move to the beginning of current line

Command + Right Arrow

Move to the end of current line

Command + Shift + Left Arrow

Select to the beginning of current line

Command + Shift + Right Arrow

Select to the end of current line

Option + Left Arrow

Move to the beginning of the current word

Option + Right Arrow

Move to the end of the current word

Option + Shift + Left Arrow

Select to the beginning of the current word

Option + Shift + Right Arrow

Select to the end of the current word

Command + Delete

Delete to the beginning of the current line

Command + Option Delete

Delete to the beginning of the current word

Command + Forward Delete

Delete to the end of the current line

Command + Option + Forward Delete

Delete to the end of the current word

Control + A

Move to the beginning of the current line

Control + Shift + A

Select to the beginning of the current line

Control + E

Move to the end of the current line

Control + Shift + E

Select to the end of the current line

Control + K

Delete to the end of the current line