How do I use jQuery through a Drupal 8 module? I'm trying to get some jquery code running on a drupal 8 website. It's a div animation that randomly moves the div within a wrapper. I've added the JS and CSS files and they're both showing in the source. I've then added the Div ID of 'container' to html.html.twig(yes I copied it into my theme folder first) -How do I use jQuery through a Drupal 8 module?