These are a selection of useful characters which are valid as JavaScript variable names. Modifiers such as A͢a are also valid.

Greek Letters

α β γ Δ δ ε Θ θ λ μ π ρ Σ σ Φ φ Ψ ψ Ω ω

Superscript

ˢ ᐤ ᐢ ᐡ ᐞ

Punctuation

ʼ ʹ ʺ ǃ ʔ̣

Math

Other

ಠ 〱 ᛯ ↆ ʃ ⰶ ꚛ ᛏ ᛎ ᛨ ᛴ ꔮ ꔰ ꕒ ꕢ 𖣘 ꕤ ꕨ ꖏ ꘑ ꗬ 𖠄 𖣯 𖠀 𖠋 𖠂 𖠿 𖡣 𐤓 𖠃 𖠕 𖠭 シ