Recall — Spaced-Repetition Flashcards

A flashcard deck built on the Leitner box system: cards you know move up and retire, cards you miss drop back and return sooner, so the deck isn’t “done” until every card is mastered. Spaced study tracks boxes and per-session stats; a quick-review mode flips through once with no scoring. Flip animation, keyboard play, progress and box tallies. Ships as a blank, commented template.

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Problem

One-pass review wastes time on what learners already know and never circles back to what they don’t — so the shaky material never sticks.

Who it helps

Self-paced learners drilling terminology, definitions, and process steps before or after a session.

In training

Flip each card, mark got-it or missed-it, and let the boxes route the hard cards back until the whole deck is mastered — or run quick-review for a fast warm-up.

Skills shown

Front-end build, spaced-repetition (Leitner) logic, CSS 3D flip, progress tracking, trainer-editable template.