<div style={{ float:"left", clear: "both" }}
ref={(el) => { this.messagesEnd = el; }}>
</div>
scrollToBottom = () => {
this.messagesEnd.scrollIntoView({ behavior: "auto" });
}
componentDidUpdate(prevProps, prevState, snapshot) {
const { message } = this.state;
this.scrollToBottom();
}
componentDidMount() {
this.scrollToBottom();
}