svelte/test/css/samples/omit-scoping-attribute-class-dynamic/input.html

<p class='{unknown}'>this is styled</p>
<p class='bar'>this is unstyled</p>

<style>
	.foo {
		color: red;
	}
</style>

<script>
	export default {
		data () {
			return {
				unknown: 'whatever'
			};
		}
	};
</script>