This visualization turns a wiki page into an interactive flashcard deck, hiding each list item’s answer behind a clickable code element and displaying one question at a time. Users click “Remembered” or “Forgotten” to advance, and the results are saved as JSON to a remote wiki page via the `fetch` API with POST requests. The code uses plain DOM manipulation to toggle visibility and opacity, and reads previous session data from a `PIMVRdata` group using `response.json()`.