React is introduced in other files after creating a new file definition component.

for example, create a file that defines how the component Mycomponent, is introduced and used in App.js.

Javascript
Mar.22,2021

you can try to build a project with create-react-app.
Mycomponent needs to be exported using export default Mycomponent.
can be introduced and used in App.js in the following ways. Pay attention to whether the introduced path is correct

. 
import Mycomponent from './Mycomponent';
class App extends Component {
    render() {
        <Mycomponent/>
    }
}

you need something called routing

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3b6a0-2c29b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3b6a0-2c29b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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