SOURCE

cola(function(model) {
  model.set("languages", [{
    name: "Javascript"
  },
  {
    name: "Java"
  },
  {
    name: "C"
  },
  {
    name: "C++"
  },
  {
    name: "Coffee"
  },
  {
    name: "Ruby"
  },
  {
    name: "R"
  },
  {
    name: "Python"
  },
  {
    name: "Pascal"
  }]);
});

<c-dropdown bind="selected" valueProperty="name" textProperty="name" c-items="languages">
</c-dropdown>
<span c-bind="selected">
  <span>