oup('#buttonGroup1')
buttonGroup.items(['Option 1', 'Option 2', 'Option 3', 'Option 4', 'Other']);

// Full width example with individual active classes per-button
buttonGroup = new hx.ButtonGroup('#buttonGroup2', {fullWidth: true})
buttonGroup.items([
  {
    value: 'Positive',
    activeClass: 'hx-positive'
  }, {
    value: 'Warning',
    activeClass: 'hx-warning'
  }, {
    value: 'Negative',
    activeClass: 'hx-negative'
  }, {
    value: 'Info',
    activeClass: 'hx-info'
  },
  'Other'
]);
buttonGro