将EEE格式更改为另一种语言

Question

我如何随意更改EEE格式？

if ($scope.languageCode == "jp") {
    $scope.dateFormat = 'yyyy年M月d日(EEE)';
   //Should i try some switch case here?
     } else if($scope.languageCode == "en") {
    $scope.dateFormat = 'yyyy/M/d (EEE)';
     };

html

<td>{{today| date:dateFormat}}</td>