🔰let/const/class hoisting

🚧 under construction -> example

JS ⟩ scope ⟩ hoisting ⟩ let/const/class

with let / const / class declaration：

• identifier： hoisted to top of its scope.

• value： uninitialized❗(referencing it before init causes ReferenceError)

👥 相關

• compare： var hoisting, function hoisting

💈範例

• replit：let const hoisting

📗 參考

• YDKJS: Scope & Closures (v.2) ⟩

  • Ch. 1 ⟩ Hoisting

  • Ch. 5 ⟩ Hoisting: Declaration vs. Expression