The name this face is filed under: the alias where one was given, and the family name the file itself declares otherwise.
Path the face was read from, or the literal "<buffer>" when it was
registered from font data rather than a file.
Slant: "normal", "italic", or "oblique".
CSS numeric weight.
CSS width keyword.
One face registered by FontLibrary.use, described as the file it was read from says.
🧪 Not in the HTML Canvas standard.