h1 Modules

div(ng-init="course={modules:[]}")

.group(ng-repeat="module in course.modules")
  input(ng-model="module.id" placeholder="module id")
  input(ng-model="module.title" placeholder="module title")
  .group(ng-repeat="section in module.sections")
    input(ng-model="section.title" placeholder="section title")
    i.icon.delete(ng-click="delete module.sections[$index]")
    .group(ng-repeat="question in section.quiz.questions")
      input(ng-model="question.title")
      //- quiz etc.
  button(ng-click="module.sections.push({questions:[]})") New Section
button(ng-click="course.modules.push({sections:[]})") New Module

pre {{course | json}}