The practice terminal
No runtime. Only a match.
Pick a lesson, type the string the page taught, and run the quiz. The panel will never invent output. LabRat sits beside the work.
codelabs / safe simulation local
HTML / Give the page a skeleton
End-of-lesson quiz
Write a main landmark that contains a single h1 reading CodeLabs.
<div>CodeLabs</div>
›Type the exact string from the lesson, then run the quiz.