Thanks for this, a useful replacement for Mozzila’s x-ray for learning, teaching and playing with the web.
I wondered about using this on iOS and found I could make the simplest of shortcuts.
I’ve not used a shortcut for running JavaScriipt in mobile Safari before so useful to learn about completion()
Source: Thimble by Mozilla – An online code editor for learners & educators.
Thimble gets a nice update. Here is the quickest webpage I could make: Kicking the Thimble.
Obviously useful for learning to create webpages.