<fieldset style="width: 200px; margin-top:1em; margin-bottom: 1em; border: 1px solid lightgrey;">
  The value is {{ value | json }}
</fieldset>

<jqxComboBox [(ngModel)]='value'
    [width]='250' [height]='30'
    [source]='source' [selectedIndex]='0'>
</jqxComboBox>