Skip to content
CodeWiki
Practice
Paths
Tracks
Cheatsheets
Playground
Glossary
AI era
Search
⌘K
English
English
Chinese
Practice
Paths
Tracks
Cheatsheets
Playground
Glossary
AI era
English
English
Chinese
Practice
/
Predict the output
/
CS foundations
/
Unicode text
What does this program print?
from Unicode text
Node 24
intermediate
2 min
What does this program print?
JavaScript
Copy
const
value
=
"e\u0301💡"
;
console
.log
(
value
.
length
,
[
...
value].
length
);
2 2
3 2
4 3
4 2
Check
Copy code
Open in playground
Ask AI about this kata
Report an error
previous kata
Why should a program not replace NFC with NFKC everywhere?
Quiz
next kata
Review a generated customer importer
Review AI code
A new version is available
Reload