<div id="react-content"></div>
import React from 'react';
import ReactDOM from 'react-dom';
import Rcf from 'index.js';
const A = props => <div>
A:
{props.a}
<button onClick={() => {
props.set({
a: props.a - 1,
});
}}>
click
</button>
</div>
const B = props => <div>
B:
{props.a}
</div>
const store = {a: 1};
ReactDOM.render(<div>
<Rcf store={store}>
<A />
<B />
</Rcf>
<Rcf store={store}>
<B />
</Rcf>
</div>,
document.getElementById('react-content'));