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<p>?? ??(<code>loading</code> ? <code>getContacts</code>)? ReactJS? ?? ??? ??? ????. ? ??? ?? ?? ???? ???? ??? ?? ?? ???? ??? ???? ?????. ??? ???? ???? </p> <pre class="brush:php;toolbar:false;">const App = () => const [getContacts, setContacts] = useState([]); const [loading, setLoading] = useState(false); ??( <div className='?'> <Navbar/> <??> <?? ??='/' ?? = {<="/contacts"/>? ??}/> <?? ??='/contacts' loading= {loading} ???= {getContacts} ??= {<Contacts/>} /> <Route path="/contacts/add" ?? = {<AddContact/>}/> <?? ?? = "/contacts/:contactId" ?? = {
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