I’m starting the Front End Libraries project, “Build a Markdown Previewer”. When I try to run the example codepen project at
I get nothing displayed. No visible textarea to type in, nothing. I’m on Mac. I tried both the latest Firefox and Chrome. Also tried Safari. That displays the dialog for recommending Chrome or Firefox, but after that I still get a blank screen. The only thing visible in all three browsers is the hamburger menu icon for the FCC test script.
Does anybody know why the codepen is not working? I would like to see an example in action while I develop my own solution.