DART

dart loop through map

main() {
  var numMap = Map();
  numMap["one"] = 1;
  numMap["two"] = 2;
  numMap["three"] = 3;
  numMap["four"] = 4;
  numMap["five"] = 5;

  numMap.forEach((k, v) => print("Key : $k, Value : $v"));
}

loop map flutter

List<Map> list = [
       {
         "id": 1,
         "name": "name1",
         "type": "Both",
         "count": 4
       },
       {
         "id": 2,
         "name": "name2",
         "type": "Both",
         "count": 6
       },
       {
         "id": 3,
         "name": "name1",
         "type": "Both",
         "count": 2
       },
       {
         "id": 4,
         "name": "name3",
         "type": "Both",
         "count": 8
       }
];

for(Map m in list){
   if (m['name'].toString() == null) {
     ....
   }
}