<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Learn React</title>
<script src="https://cdn.staticfile.org/react/16.4.0/umd/react.development.js"></script>
<script src="https://cdn.staticfile.org/react-dom/16.4.0/umd/react-dom.development.js"></script>
<!-- 生产环境中不建议使用 -->
<script src="https://cdn.staticfile.org/babel-standalone/6.26.0/babel.min.js"></script>
</head>
<body>
<div id="root"></div>
<script type="text/babel">
function ListItem(props){
return <li>{props.value}</li>;
}
function NumberList(props) {
const numbers = props.numbers;
const listItems = numbers.map((number) =>
<ListItem
key={number.toString()}
value = {number}
/>
);
return (
<ul>{listItems}</ul>
);
}
const numbers = [1, 2, 3, 4, 5];
ReactDOM.render(
<NumberList numbers={numbers} />,
document.getElementById('root')
);
</script>
</body>
</html>