Intermediate
Skip the cards that did not move
The button swaps the first two cards. The FLIP code animates all six, although four did not move.
Skip any card whose dx and dy are both under half a pixel, so that only two animations run.
What Check tests
- Only the two swapped cards animate
- The cards are swapped
- Both slides last 400 ms
Stuck? One hint at a time
The solution unlocks after your first Check. Try first: that is where the learning happens.
Runs in your browser. Your code is saved here.
Your page
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animations
0.00s0.10s0.20s0.30s0.40s0.50s0.60s0.70s0.80s0.90s
Nothing is moving yet. Hover, click or scroll the page: every animation it starts shows up here as a track.
frames
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