Hey Andreas,
Please see the below, you’ll need to create a new blank canvas page called “exaple freeze panes”, and then replace the html and js files with the below. (in samples)
You can either replace the css file with the below, or append the content to your own.
Jack
example freeze panes.html (8.2 KB)
example freeze panes.js (1.6 KB)
style.css (792 Bytes)