<selectng-model="seriesOptions.type"ng-options="type for type in ['line', 'area', 'column']"ng-change="query()"></select>
<spanng-show="seriesOptions.type == 'area'">
(<selectng-model="seriesOptions.striped"ng-options="value as key for (key, value) in {'with':true, 'without':false}"ng-change="query()"></select> stripes)