twobomb

$(document).ready(function() {
  $(".button-search").click(function() {
    $(".form-search").toggle();
  });
});

var name = prompt("Введите ваше имя", "");

if (name.trim() != "") 
  alert(name);
else
  alert("Вы не ввели имя!");

function func(e){
e.currentTarget.parentElement.removeChild(e.currentTarget);
}

class Sorter {
  constructor() {
 	 this.array = [];
  }

  add(element) {
     this.array[this.array.length+1]=element;
      return this.array.length+1;
  }
 }

var arr = [
    {ID: "123", lat: "55.680024", lng: "37.558505"},
    {ID: "123", lat: "55.680024", lng: "37.558505"},
    {ID: "987", lat: "55.783861", lng: "37.536533"},
    {ID: "987", lat: "55.783861", lng: "37.536533"}
];
console.log( convert(arr));

function convert(arr){
  var newarr = [];
  arr.map((e)=>{
      for(var i = 0;i < newarr.length;i++)
        if(newarr[i].ID == e.ID){
          newarr[i].Coords.push({lat:e.lat,lng:e.lng});
          return;
         }
        newarr.push({ID:e.ID,Coords:[{lat:e.lat,lng:e.lng}]});
  });
return newarr;
}