How to scroll to bottom in react?

Question

I want to build a chat system and automatically scroll to the bottom when entering the window and when new messages come in. How do you automatically scroll to the bottom of

Answer 1

Using React.createRef()

class MessageBox extends Component {
        constructor(props) {
            super(props)
            this.boxRef = React.createRef()
        }

        scrollToBottom = () => {
            this.boxRef.current.scrollTop = this.boxRef.current.scrollHeight
        }

        componentDidUpdate = () => {
            this.scrollToBottom()
        }

        render() {
            return (
                        

                    )
        }
}