[EmperioAf]

var projects =  [ {
"data": {
    "allfilms": {
        "rosdestvenskaya istoriya": {},
        "sreck": {},
        "lednikoviy period": {},
        "simsoni": {},
        "sauth parck": {},
        "rapuncel": {}
    }
}
}];

alert(Object.keys(projects[0]['data']['allfilms']));