Always test your pages using Google’s own tools and third-party resources to view the rendered HTML to make sure all your content is showing up.

Adding a JavaScript file to a Page using Page Properties If you only want to use a JavaScript file on one page of your site, it's best to add it to one specific page using that page's Page Properties.

HTMX is the HTML extension syntax that replaces JavaScript with simple markup. It could change the course of web development.