What is the non-JSX equivalent of the following code?
ReactDOM.render(<Hello toWhat="World"/>, document.getElementById('root'));
ReactDOM.render(React.createFactory(Hello,{toWhat: 'World'}, null), document.getElementById('root'));
ReactDOM.render(React.createElement(Hello,{toWhat: 'World'}, null), document.getElementById('root'));
ReactDOM.render(React.createFactory(React.createElement(Hello,{toWhat: 'World'}, null)), document.getElementById('root'));