질문드립니다.

Question

항상 잘보고 있습니다. 화살표 함수에서 this를 바인딩 하지 않는 다고 하셨는데 그럼 화살표함수는 실행컨텍스트가 활성화 될 때 this바인딩에 대한 내용이 빠지는 건가요...? 아 그리고 오탈자 발견했습니다. 18:04 한수라고 표기되어 있습니다.

정재남 · Answer

넵. 그밖에도 arguments, super, this, new.target 등의 바인딩도 모두 빠집니다. An ArrowFunction does not define local bindings for arguments , super , this , or new.target . Any reference to arguments , super , this , or new.target within an ArrowFunction must resolve to a binding in a lexically enclosing environment. Typically this will be the Function Environment of an immediately enclosing function. Even though an ArrowFunction may contain references to super , the function object created in step 5 is not made into a method by performing MakeMethod . An ArrowFunction that references super is always contained within a non- ArrowFunction and the necessary state to implement super is accessible via the scope that is captured by the function object of the ArrowFunction . https://tc39.es/ecma262/#sec-arrow-function-definitions