⛔const requires initialization

JS ⟩ statement ⟩ declaration ⟩ const ⟩ requires initialization

a const variable must be initialized at declaration.

👉 const requires initialization

💈範例

• replit：const requires initialization

• 👉 ⛔️ SyntaxError ⟩ missing initializer in const declaration❗️

const what;    // no initial value❗
//    ^^^^
// ⛔ SyntaxError: Missing initializer in const declaration

📗 參考

• YDKJS: Scope & Closures (v.2) ⟩ Ch. 5 ⟩ Constants?