Demonstrate react devtools from inner frame

inner.html

<script>
    __REACT_DEVTOOLS_GLOBAL_HOOK__ = parent.__REACT_DEVTOOLS_GLOBAL_HOOK__
</script>
<script src="vendor.js"></script>
<script>
    window.React = parent.React = require('react')
    window.onload = function() {
    React.render(React.createElement('strong', null, 'hello'), document.body)
    }
</script>

outer.html

<iframe src="inner.html"/>