📦left-hand side expression

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JS ⟩ statement ⟩ expression ⟩ operator ⟩ left-hand side ⟩

(operator) ❓🚧

🔴 主題

• left-hand side expressions

  • property access expression ( ., [], ?., ?.[], ?.() )

  • new.target (in constructors) refers to the constructor itself.

  • new (object creation expression)

  • import.meta

    an object exposing context-specific metadata to a JavaScript module.

  • super calls the parent constructor.

  • ...obj

    spread syntax allows an expression to be expanded in places where multiple arguments (for function calls) or multiple elements (for array literals) are expected.

⭐️ 重點

📗 參考

📘 手冊

❓問題