javascript sort array of object by property

1let list = [
2  {
3      name: "world"
4  },
5  {
6      name: "hello",
7  },
8];
9
10// This doesn't account for if names are the same between objects
11let x = list.sort((a, b) => (a.name > b.name ? 1 : -1));
12
13console.log(x);
14
15/*
16[
17  {
18      name: "hello",
19  },
20  {
21      name: "world"
22  },
23];
24*/

1function compareFirstNames( a, b ) {
2  if ( a.first_name < b.first_name ){
3    return -1;
4  }
5  if ( a.first_name > b.first_name ){
6    return 1;
7  }
8  return 0;
9}
10
11var people =[
12    {"first_name":"Carol", "age":29},
13    {"first_name":"Anna", "age":32},
14    {"first_name":"Bob", "age":32}
15];
16
17people.sort( compareFirstNames ); //people is now sorted by first name from a-z

1let orders = [
2  { 
3    order: 'order 1', date: '2020/04/01_11:09:05'
4  },
5  { 
6    order: 'order 2', date: '2020/04/01_10:29:35'
7  },
8  { 
9    order: 'order 3', date: '2020/04/01_10:28:44'
10  }
11];
12
13
14console.log(orders);
15
16orders.sort(function(a, b){
17  let dateA = a.date.toLowerCase();
18  let dateB = b.date.toLowerCase();
19  if (dateA < dateB) 
20  {
21    return -1;
22  }    
23  else if (dateA > dateB)
24  {
25    return 1;
26  }   
27  return 0;
28});
29
30console.log(orders);

1function sortByDate( a, b ) {
2  if ( a.created_at < b.created_at ){
3    return -1;
4  }
5  if ( a.created_at > b.created_at ){
6    return 1;
7  }
8  return 0;
9}
10
11myDates.sort(sortByDate);//myDates is not sorted.