var jsx = <node/>;
var jsx = <node><child/></node>;
var jsx = <node>...<child>...</child></node>;
var jsx = <div><span><br /></span></div>;
var jsx = <pre-node><child /></pre-node>;

var x = 5;

return (<node attr="value"></node>);

const n = () => <X />
const m = () => <X x="" />

class App extends Component {
  render() {
    return (
      <BrowserRouter>
        <div>
          <Route path="/about" component={About} />
          <Route path="/contact" component={Contact} />
        </div>
      </BrowserRouter>
    );
  }
}

var x = 5;