Sketch is displayed twice inside my index.html page

[GoToLoop]

My advice is to begin w/ a minimum runnable “index.html” template file like this 1:

<script defer src=https://Unpkg.com/p5></script>
<script defer src=sketch.js></script>

Once verified it’s working, you can add more stuff to it little by little.

Here’s some online sketch using this very same minimum template:

preload-image-masks