Answers for "javascript sort and group objects with same key value"

javascript sort array of objects by key value

arr.sort((x, y) => x.distance - y.distance);

sort array of objects by 2 key value

homes.sort(
   function(a, b) {          
      if (a.city === b.city) {
         // Price is only important when cities are the same
         return b.price - a.price;
      }
      return a.city > b.city ? 1 : -1;
   });