t-item-group>
      </v-navigation-drawer>
      <v-app-bar
        app
        color="primary"
        dark
      >
        <v-app-bar-nav-icon @click.stop="drawer = !drawer"></v-app-bar-nav-icon>
        <v-toolbar-title>JSDec</v-toolbar-title><v-spacer></v-spacer>
            <v-menu offset-y>
      <template v-slot:activator="{ on, attrs }">
        <v-btn color="#FFFFFF" dark v-bind="attrs" v-on="on" text><v-icon left>mdi-translate</v-icon>{{ lang.nowlang }}</v-btn>
      </template>
      <v-list>
   