<div ng-controller="ctrl"> <select name="selectedQuestion" ng-model="question_selected" ng-options="item.name for item in select_items"></select> <hr/> <div ng-switch on="question_selected.key"> <div ng-switch-when="single"> <p><input type="text" ng-model="text_title" placeholder="タイトルを入力してください。"/><…</p></div></div></hr/></div>