Answers for "sort array of objects by timestamp javascript"

javascript sort on objects date

array = [{
  			id: 1, name: "test1", date: "2020-01-05",
			id: 2, name: "test2", date: "2020-01-02"
		}]

array.sort(function (a, b) {
	var dateA = new Date(a.date), dateB = new Date(b.date)
	return dateA - dateB
});

console.log(array) //array is now sorted by date

sort array of objects javascript by date

array.sort(function(a,b){
  // Turn your strings into dates, and then subtract them
  // to get a value that is either negative, positive, or zero.
  return new Date(b.date) - new Date(a.date);
});

js order array of objects by date

arr = arr.sort(function (a, b) {
      var dateA = new Date(a.date_prop).getTime();
      var dateB = new Date(b.date_prop).getTime();
      return dateA < dateB ? 1 : -1;
    });

How to sort an object array by date property?

// Simplest Answer
array.sort(function(a,b){
  // Turn your strings into dates, and then subtract them
  // to get a value that is either negative, positive, or zero.
  return new Date(b.date) - new Date(a.date);
});

// -------------------

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

// Or more tersely:

array.sOr more tersely:ort(function(o1,o2){
  return sort_o1_before_o2 ? -1 : sort_o1_after_o2 ? 1 : 0;
});
// -------------------

// Generic, Powerful Answer
(function(){
  if (typeof Object.defineProperty === 'function'){
    try{Object.defineProperty(Array.prototype,'sortBy',{value:sb}); }catch(e){}
  }
  if (!Array.prototype.sortBy) Array.prototype.sortBy = sb;

  function sb(f){
    for (var i=this.length;i;){
      var o = this[--i];
      this[i] = [].concat(f.call(o,o,i),o);
    }
    this.sort(function(a,b){
      for (var i=0,len=a.length;i<len;++i){
        if (a[i]!=b[i]) return a[i]<b[i]?-1:1;
      }
      return 0;
    });
    for (var i=this.length;i;){
      this[--i]=this[i][this[i].length-1];
    }
    return this;
  }
})();