shanelonergan

unique_dates.reduce(today) do | memo, date |

   yesterday = memo.yesterday.to_date

end

shanelonergan

array_variable.reduce(starting_value) do | accumulator, current_element |
   action
end

shanelonergan

[1, 2, 3].reduce(0) { |memo, n| memo + n }
# => 6

shanelonergan

unique_dates.reduce(today) do | memo, date |

      yesterday = memo.yesterday.to_date

      if date == yesterday || date == today

            streak_count += 1
            memo = date

      end

shanelonergan

dates_array = self.sessions.map do |session|
   session.created_at.to_date
end
 

shanelonergan

unique_dates = dates_array.uniq
 

shanelonergan

Time.now
=> 2019-10-15 16:16:16 -0400

shanelonergan

Time.now.to_date
=> 2019-10-15

shanelonergan

HTMLElement.prototype.getElementsByClassname2 = getElementsByClassName2

shanelonergan

function getElementsByClassName2(classNameStr) {

   function checkChildren(child) {

      // check if the child has a matching class. If so, push the the elements array
      if (child.classList.contains(classNameStr)) {
         elements.push(child)
      }

      // check if that child has children of its own. If so, call checkChildren one each child