🔰type name

JS ⟩ value ⟩ type ⟩ type name

🔴 主題

• typeof operator

• baseTypeName()

• typeName() - refined version of typeof.

• custom type name - how to define a custom type name for a class.

⭐️ 重點

Symbol.toStringTag is accessed internally by the Object.prototype.toString() method.

📘 手冊

• typeof ⟩

  • real-world usage

  • custom method that gets a more specific type ⭐️

• Object.prototype.toString()

• Symbol.toStringTag ⭐️

• instanceof

👥 相關

• typeName()