test-repo/tests/format/html/script/babel.html

<script type="text/babel" data-presets="react" data-type="module">
import { h, 
         render } from 'https://unpkg.com/preact?module';
render(
<h1>Hello World!</h1>,
         document.body
);
</script>

<script type="text/jsx" data-presets="react" data-type="module">
import { h, 
         render } from 'https://unpkg.com/preact?module';
render(
<h1>Hello World!</h1>,
         document.body
);
</script>

<script type="text/babel">
<!--
alert(1)
-->
</script>