Callable telephone link

Renders a link formatted to call a phone number (tel: link).

• Use phone to create a <a> element with an appropriate href attribute.
• Render the link with children as its content.

const Callto = ({ phone, children }) => {
  return <a href={`tel:${phone}`}>{children}</a>;
};

ReactDOM.render(
  <Callto phone="+302101234567">Call me!</Callto>,
  document.getElementById('root')
);