This is the repository for example p5.js code from The Nature of Code book. If you are looking for the book's raw content (text, illustrations, images, CSS, etc.), have a look at The Nature of Code repo.
The original Processing examples can be found here, along with a list of other ports.
To run these examples you have to use a local server.
For more information on how to use a local server,Please visit following links.
Local Server,Text Editor,Console
I have specifically set the link attribute to "//" to support both http and https protocol while fetching p5.js library.This is intended and not a bug.