var historicalComponent = React.createClass({
render: function () {
return (
<div>
<h1>What a Journey</h1>
</div>
);
}
});class HistoricalComponent extends React.Component {
render() {
return (
<div>
<h1>What a Journey</h1>
</div>
);
}
}function NewerComponent() {
return (
<div>
<h1>What a Journey</h1>
</div>
)
} function ComponentOfToday() {
const [name, setName] = useState("Jason");
return (
<div>
<h1>What a Journey, ${name}.</h1>
</div>
);
}