dayjs</code> in this example.
                </li>
                <li>
                    External import maps of the form <code>&lt;script type="importmap" src="importmap.json"&gt;</code> are <a href="https://github.com/WICG/import-maps/issues/235">not yet supported</a> in all browsers.
                    This means the import map must be duplicated in every HTML page.
                </li>
                <li>
                    The import map must be defined before the <code>index.js</code> script i