Backup diff of BubbleSort vs current(No. 1)

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Algorithm > Sort > BubbleSort

• https://ja.wikipedia.org/wiki/バブルソート

• Bubble Sort in JavaScript
  • https://memolog.org/2018/bubble-sort-in-javascript.html

• Bubble-sort with Hungarian ("Csángó") folk dance
  • https://www.youtube.com/watch?v=lyZQPjUT5B4