забыл показать обьект, что приходит сейчас, я немного поменял код
{
"C":[{"path":["C","C3","C8","C2","C12","C"],"point":[["48.5515","29.5915"],["45.729","29.7453"],["48.0188","31.0637"],["47.6686","32.404"]],"pointCenter":[["48.4931","32.2721"]]},{"path":["C","C11","C"],"point":[["49.3284","31.1077"]],"pointCenter":[["48.4931","32.2721"]]}],
"D":[{"path":["D","D7","D5","D4","D14","D"],"point":[["48.039","38.2796"],["47.1016","35.2604"],["48.6972","35.7438"],["50.0099","37.1602"]],"pointCenter":[["49.5623","34.5573"]]},{"path":["D","D10","D"],"point":[["50.0695","33.7004"]],"pointCenter":[["49.5623","34.5573"]]}],
"A":[{"path":["A","A0","A13","A1","A"],"point":[["51.5378","33.5307"],["50.3561","32.1842"],["50.2153","29.5036"]],"pointCenter":[["50.4404","30.5582"]]}],
"B":[{"path":["B","B9","B6","B"],"point":[["50.8827","25.3508"],["50.039","25.2796"]],"pointCenter":[["49.3905","27.0426"]]}]
}
а почему мой цикл не выводит там где только один элемент в массиве, ведь его длина =1, а цикл начинает считать с 0?