def show(self):
        """
        Create an igv.js "Browser" instance on the front end.
        """
        display(HTML("""<div id="%s"></div>""" % (self.igv_id)))
        # DON'T check status before showing browser,
        msg = json.dumps({
            "id": self.igv_id,
            "command": "create",
            "options": self.config
        })
        self.comm.send(msg)
Create an igv.js "Browser" instance on the front end.