Notes on scrollIntoView method bugs in iOS Safari

1. Summary: Safari does not support all options of scrollIntoView
   1. reference: https://caniuse.com/?search=scrollIntoView
   2. Tested on Safari 13 and 14
2. List of bugs
   1. The behavior: ‘smooth’ option is not supported
      1. Symptom: Scroll does not work
      2. Solution: Use behavior: ‘auto’
      3. An officially recognized bug
   2. inline: ‘nearest’ behaves abnormally during horizontal scrolling
      1. Symptom: When triggering the scrollIntoView method on one of three or more elements, it cannot scroll to an element located in the middle (positioned between other elements)
      2. Solution: Use inline: ‘end’
      3. An undocumented bug

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