react_dynamics.js

import React    from 'react';
import dynamics from 'dynamics.js';

class Box extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      x: 0,
      y: 0
    };
  }

  componentDidMount() {
    dynamics.animate(this.state, {
      x: 200,
      y: 20
    }, {
      change: (e) => this.setState({x: e.x, y: e.y})
    });
  }

  render() {
    const style = {
      transform: `translate(${this.state.x}px, ${this.state.y}px)`
    };

    return (
      <div className="box" style={style}></div>
    );
  }
}

React.render(<Box />, document.getElementById('app'));