Nice summary and I admire your curiosity and diligence in exploring it. For my part I simply accepted that var is essentially deprecated and let and const its modern replacements. I won't change that, meaning I have avoided using var for ages and routinely replace it with let or const as appropriate (and retest).
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
Nice summary and I admire your curiosity and diligence in exploring it. For my part I simply accepted that var is essentially deprecated and let and const its modern replacements. I won't change that, meaning I have avoided using var for ages and routinely replace it with let or const as appropriate (and retest).