小编use*_*971的帖子

<script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.14.3/react.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.14.3/react-dom.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-router/1.0.0/ReactRouter.min.js"></script>
<!--<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/6.1.19/browser.min.js"></script>-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.23/browser.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
<div id="container"></div>
    <script type="text/babel">
        ReactDOM.render(
            <h1>Hello, world!</h1>,
            document.getElementById('container')
        );
    </script>
</body>

babel 5.8.23使用脚本没有错误

但是babel 6.1.19使用脚本错误Uncaught TypeError:无法读取未定义的属性'keys'

为什么错误6.1.19尚未升级

我知道原因