[JSON] 테스트 데이터

var list = [
        {
          "city": "서울"
           , "sub": [
            { "district": "강서구"
              , "sub": [
                 {"street":"강서로"}
               , {"street":"화곡로"}
               , {"street":"개화동로"}
               , {"street":"곰달래로"}
               , {"street":"까치산로"}
                ]
              }
          , { "district": "강남구"
              , "sub": [
                 {"street":"가로수길"}
               , {"street":"강남대로"}
               , {"street":"개포로"}
               , {"street":"논현로"}
               , {"street":"압구정로"}
                ]
              }
          , { "district": "양천구"
              , "sub": [
                 {"street":"가로공원로"}
               , {"street":"등촌로"}
               , {"street":"중앙로"}
               , {"street":"화곡로"}
                ]
              }
               ]
          }
        , {
          "city": "강원도",
              "sub": [
            { "district": "강릉시"
              , "sub": [
                 {"street":"가작로"}
               , {"street":"강릉대로"}
               , {"street":"모산로"}
               , {"street":"산양길"}
               , {"street":"토성로"}
                ]
              }
          , { "district": "동해시"
              , "sub": [
                 {"street":"관사길"}
               , {"street":"대진길"}
               , {"street":"부곡로"}
               , {"street":"송정로"}
               , {"street":"천곡로"}
                ]
              }
          , { "district": "삼척시"
              , "sub": [
                 {"street":"교가길"}
               , {"street":"늑구길"}
               , {"street":"사직로"}
               , {"street":"중앙시작로"}
               , {"street":"회강길"}
                ]
              }
               ]
          }
        , {
          "city": "경기도",
              "sub": [
            { "district": "과천시"
              , "sub": [
                 {"street":"남태령옛길"}
               , {"street":"사기막길"}
               , {"street":"자하동길"}
               , {"street":"매봉로"}
               , {"street":"향촌길"}
                ]
              }
          , { "district": "광명시"
              , "sub": [
                 {"street":"가락골길"}
               , {"street":"밤일로"}
               , {"street":"안양천로"}
               , {"street":"철산로"}
               , {"street":"하안로"}
                ]
              }
          , { "district": "구리시"
              , "sub": [
                 {"street":"갈매길"}
               , {"street":"벌말로"}
               , {"street":"체육관로"}
               , {"street":"한다리길"}
                ]
              }
          , { "district": "군포시"
              , "sub": [
                 {"street":"경수대로"}
               , {"street":"고산로"}
               , {"street":"당동로"}
               , {"street":"산본로"}
               , {"street":"호수로"}
                ]
              }
               ]
          }
        ];