invocation context

browser ⟩ event ⟩ handler ⟩ invocation context

invocation context： this refers to the object on which the handler was registered.

⭐️ 重點

this === event.currentTarget unless the handler is an arrow function, or its this is bound to something else.

💈範例

• replit ⟩

  • event.currentTarget

  • "this" in event handler (this === event.currentTarget )