[Userscript] Wanikani Heatmap

To transfer reviews you can follow these steps

  1. Find the browser console (F12 → Console)
  2. Export review cache to a string by inputting JSON.stringify(await review_cache.get_reviews())
    a. Copy the string, including enclosing quotes (just hit copy)
  3. Transfer to new device by your preferred method
  4. Insert into review cache review_cache.insert(JSON.parse(<string>))
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