const names = ["John", "Sara", "Michael", "Timothy"];
class Content extends React.Component {
constructor(props) {
super(props);
this.state = {};
}
render() {
return (
<div>
<h1>Names</h1>
{this.props.names ? (
this.props.names.map((name, index) => (
<p key={name + index}>{name}</p>
))
) : (
<p>No names found</p>
)}
</div>
);
}
}
ReactDOM.render(<Content names={names} />, document.getElementById("app"));
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.6.3/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.6.3/umd/react-dom.production.min.js"></script>
<div id="app"> </div>
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