이 레슨은 당분간 영어로 제공돼요.
Who can see your variables?
Every variable lives somewhere, and only some code can see it. Knowing where variables live unlocks closures, one of JavaScript's most powerful ideas, and modules, which keep big projects tidy.
이 레슨은 당분간 영어로 제공돼요.
Every variable lives somewhere, and only some code can see it. Knowing where variables live unlocks closures, one of JavaScript's most powerful ideas, and modules, which keep big projects tidy.