react列表

实例1

<div id="example"></div>

<script type="text/babel">
const numbers = [1, 2, 3, 4, 5];
const listItems = numbers.map((numbers) =>
  <li>{numbers}</li>
);

ReactDOM.render(
  <ul>{listItems}</ul>,
  document.getElementById('example')
);
</script>

实例2

function NumberList(props) {
  const numbers = props.numbers;
  const listItems = numbers.map((number) =>
    <li key={number.toString()}>
      {number}
    </li>
  );
  return (
    <ul>{listItems}</ul>
  );
}

const numbers = [1, 2, 3, 4, 5];
ReactDOM.render(
  <NumberList numbers={numbers} />,
  document.getElementById('example')
);

实例3

<div id="example"></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, 6];
    ReactDOM.render(
        <NumberList numbers={numbers} />,
        document.getElementById('example')
    );
</script>