❗arrow function as class field❗️

🚧 under construction

JS ⟩ objects ⟩ arrow function ⟩ as class field

• the body of a class has a this context.

• arrow function as class field closes over the class's this context.

• the this inside the arrow function's body：

  • will correctly point to the instance (or the class itself, for static fields).

  • it is a closure, not the function's own binding, the value of this will not change based on the execution context (call site)❗

👉 MDN ⟩ arrow functions used as methods ⭐️

👥 相關

• arrow function as method❗️.

• class field

📘 手冊