demo/src/app/components/+typeahead/demos/on-blur/on-blur.html
<pre class="card card-block card-header">Model: {{selected | json}}</pre>
<pre class="card card-block card-header">Option on blur: {{optionOnBlur | json}}</pre>
<input [(ngModel)]="selected"
[typeahead]="states"
(typeaheadOnBlur)="typeaheadOnBlur($event)"
class="form-control">