demo/src/app/components/+typeahead/demos/on-select/on-select.html
<pre class="card card-block card-header mb-3">Model: {{selectedValue | json}}</pre>
<pre class="card card-block card-header mb-3">Selected option: {{selectedOption | json}}</pre>
<input [(ngModel)]="selectedValue"
[typeahead]="states"
typeaheadOptionField="name"
(typeaheadOnSelect)="onSelect($event)"
class="form-control">