react refs

react-refs.js

/* node will be null */
function Input() {
  return <input />;
}

function InputContainer() {
  return <div><Input ref={node => console.log(node)} /></div>;
}

/* node will be vnode instance */

import React from "react";
import { render } from "react-dom";


class Input extends React.Component {
  render() {
    return <input />
  }
}

function InputContainer() {
  return <div><Input ref={node => console.log(node)} /></div>;
}


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