ZERO WIDTH SPACE vs ZERO WIDTH NO-BREAK SPACE
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VS
Property Comparison
| Property | U+200B | U+FEFF |
|---|---|---|
| Name | ZERO WIDTH SPACE | ZERO WIDTH NO-BREAK SPACE |
| Block | General Punctuation | Arabic Presentation Forms-B |
| Script | Zyyy | Zyyy |
| Category | Format (Cf) | Format (Cf) |
| Bidirectional | BN | BN |
Encoding Comparison
| Format | U+200B | U+FEFF |
|---|---|---|
| unicode | U+200B | U+FEFF |
| decimal | 8203 | 65279 |
| htmldecimal | ​ |  |
| htmlhex | ​ |  |
| css | \200B | \FEFF |
| javascript | \u{200B} | \u{FEFF} |
| python | \u200b | \ufeff |
| java | \u200B | \uFEFF |
| go | \u200B | \uFEFF |
| ruby | \u{200B} | \u{FEFF} |
| rust | \u{200B} | \u{FEFF} |
| ccpp | \u200b | \ufeff |
| urlencoded | %E2%80%8B | %EF%BB%BF |
| utf8bytes | e2 80 8b | ef bb bf |
| utf16bebytes | 20 0b | fe ff |
| utf32bebytes | 00 00 20 0b | 00 00 fe ff |
How to Distinguish
Both characters use the Zyyy script but are in different blocks: ZERO WIDTH SPACE in General Punctuation and ZERO WIDTH NO-BREAK SPACE in Arabic Presentation Forms-B.
Tip: Paste the character into a hex editor or use
charCodeAt()
in JavaScript to check the actual codepoint.