🔰character encoding

🚧 under construction

JS ⟩ value ⟩ primitive ⟩ String ⟩ Unicode ⟩ character encoding

• character encoding transforms code points into code units.

• popular encodings are UTF-8 , UTF-16 and UTF-32 .

• most JavaScript engines use UTF-16 encoding.

💈範例

• replit ⟩

// code

📗

• Eloquent JavaScript ⟩ Strings & Character Codes

• Wikipedia ⟩ Character encoding

📘 手冊

• UTF-16 characters, code points, grapheme clusters

• String.prototype ⟩

  • .charCodeAt()

  • .codePointAt()

• String ⟩

  • .fromCodePoint()

  • .fromCharCode()