That's another terminal app for Chrome - so we could see if the problem is the Espruino Web App, or something in Chrome itself. If @allObjects got his to work eventually, it might not be an app thing after all.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Ok, that's odd. The reason I thought you might have the old version is that the error:
Actually occurs here:
so it seems like it's impossible... It's explicitly checking that it's not undefined before accessing.
I've just noticed that on the git version, clear screen is broken in another way though - I have just fixed that.
I'll check on the older mac now and see if I have any problems. Maybe to narrow it down, could you try: https://chrome.google.com/webstore/detail/diginow-serial-terminal/kfmecbejcnepbfdcdbbhfcjmdmmcmoah?hl=en
That's another terminal app for Chrome - so we could see if the problem is the Espruino Web App, or something in Chrome itself. If @allObjects got his to work eventually, it might not be an app thing after all.