U+200D ZERO WIDTH JOINER
Codepoint details, behavior notes, and safe handling guidance.
Name
ZERO WIDTH JOINER
Category
Zero width
Visibility
Invisible
JavaScript Escape
\u200D
Example
Raw text
alphabeta
Visualized
alpha⟂beta
Risks
- Can hide separators in identifiers, usernames, and tokens.
- May bypass simple allow/block list checks.