React/scrollToTopコンポーネント

コマンド npm install react-scroll

scrollToTop.jsx

import React, { Component } from 'react';
import { animateScroll as scroll } from 'react-scroll';
import '../App.css';

class ScrollUp extends Component {

  scrollToTop = () => {
    scroll.scrollToTop(); 
  };

  render() {
    return(
      div className="scrollToTop" onClick={this.scrollToTop}>
          ScrollToTop
      /div>   
    );
  }

}

export default ScrollUp;