Script src is not working for me

I wanted to add an external JS script to an HTML I’m working on, I can’t seem to figure out why it doesn’t work. The doesn’t change anything into the HTML. However, the external CSS works fine, same with the inline HTML. Help would be greatly appreciated, here is my code:

Here is the outcome:

You have inconsistencies in the paths to your assets (.css and .js). You use css/style.css and then /js/script.js. Learn to validate your file paths relative to index.html.