Windows
Hold Alt and type 584 on the numeric keypad.
Accents
Copy the character, or use the shortcut that matches your keyboard and app.
All J accentsHold Alt and type 584 on the numeric keypad.
Character Viewer → j stroke
Type 0248 then Alt + X
Insert → Special characters → J stroke
Click the keycap, then paste with Ctrl+V or Cmd+V.
Num Lock on, hold Alt, type 584, release Alt.
Use the Unicode, HTML, CSS, or JS value below in documents and stylesheets.
U+0248ɈɈ\0248\u{0248}Alt + 584