Chaperone has one instance that is automatically initiated when the script is loaded.
<script type="text/javascript" src="./holo_hosting_chaperone.js"></script>
<script type="text/javascript">
(async () => {
await chaperone.ready();
chaperone.instance_prefix = "some_instance_prefix";
let response = await chaperone.callZomeFunction( "dna_alias", "zome_name", "func_name", {} );
})();
</script>