이렇게 export 할 경우export function HelloProps(props) { return ( my name is {props.name} and age is {props.age} you are {props.someFunc()} this is someArr {[...props.someArr]} this is someObj {props.someObj.one} {props.someJSX} );}이렇게 importimport { HelloProps } from './components/HelloProps';반대로 이렇게 export 할 경우이런 경우는 export default한 Hello만 내보내겠다는 뜻fun..