Mithril: Dropdowns (select boxes)

dropdown_select.js

var DropDownExample = {
  controller: function () {
    var ctrl = this
    ctrl.data = m.prop([{ name: 'alice', id: 1}, { name: 'bob', id: 2 }])
    ctrl.selectedId = m.prop()
  },
  view: function (ctrl) {
    return m('select', { onchange: m.withAttr('value', ctrl.selectedId) }, [
      ctrl.data().map(function(person) {
        return m('option', { value: person.id }, person.name)
      })
    ])
  }
}