りんご192546 views
高校物理158224 views
教育148875 views
数学講師2852771 views
高校化学2913383 views
高校倫理1433119 views
小学社会308636 views
中学社会667106 views
いろは2986023 views
高校国語785655 views

JavaScript Lecture

Unicode
DOM
Help
Tools

English

TermsPrivacy

© Rollpie

JavaScript Lecture
30 May 2025

Unicode

Difference of charCodeAt and codePointAt: How can we get "code point" from Unicode surrogate pair?
25 views31 May 2025

The JS function "charCodeAt(0)" doesn't seem to return the corre...

Surrogate pair regex is a good alternative to split('') when splitting a string by space
35 views31 May 2025

😀 is split to two code points. JavaScript uses UTF-16 and 😀 is...

isWellFormed checks if a string has � or "broken code point"
25 views31 May 2025

We get a "broken" string when splitting incorrectly texts that c...

85views