const navbarInstance = (

<Navbar>

<Navbar.Header>

<Navbar.Brand>

<a href="#">React-Bootstrap</a>

</Navbar.Brand>

</Navbar.Header>

<Nav>

<NavItem eventKey={1} href="#">Link</NavItem>

<NavItem eventKey={2} href="#">Link</NavItem>

<NavDropdown eventKey={3} title="Dropdown" id="basic-nav-dropdown">

<MenuItem eventKey={3.1}>Action</MenuItem>

<MenuItem eventKey={3.2}>Another action</MenuItem>

<MenuItem eventKey={3.3}>Something else here</MenuItem>

<MenuItem divider />

<MenuItem eventKey={3.3}>Separated link</MenuItem>

</NavDropdown>

</Nav>

</Navbar>

);

ReactDOM.render(navbarInstance, mountNode);