how to sort date in javascript code example

Example 1: javascript order array by date

const sortedActivities = activities.sort((a, b) => b.date - a.date)

Example 2: sort date array javascript

const activities = [
  { title: 'Hiking', date: new Date('2019-06-28') },
  { title: 'Shopping', date: new Date('2019-06-10') },
  { title: 'Trekking', date: new Date('2019-06-22') }
]

Example 3: Sort Date string in javascript

array.sort(function(o1,o2){
  if (sort_o1_before_o2)    return -1;
  else if(sort_o1_after_o2) return  1;
  else                      return  0;
});