 
  
   
  
  class Header extends React.Component {
    render() {
        const menu = {
            home: "#home",
            pricing: "#pricing",
            "about us": "#about-us"
        };
        const navLinks = Object.keys(menu).map((key, item) => {
            return (
                <a href={"/" + menu[key]}>
                    {menu[key]}
                </a>
            );
        });
        return (
            <nav>
                {navLinks}
            </nav>
        );
    }
}
ReactDOM.render(<Header />, document.body); 
  
   
  
  