title: Angular 7 ngx-intl-tel-input onBlur() event any solution?
body: <p>I stucked with a issue in Angular 7 with ngx-intl-tel-input package.
  i just want to check phonenumber on blur.</p>
  
  <pre><code>   &lt;ngx-intl-tel-input [cssClass]="'form-control'" [preferredCountries]="preferredCountries"
          [enableAutoCountrySelect]="false" [enablePlaceholder]="true" [searchCountryFlag]="true"
          [searchCountryField]="[SearchCountryField.Iso2, SearchCountryField.Name]" [selectFirstCountry]="false"
          [selectedCountryISO]="CountryISO.Canada" [maxLength]="15" [tooltipField]="TooltipLabel.Name"
          [phoneValidation]="true" name="PhoneNumber" [(ngModel)]="formModel.PhoneNumber" #PhoneNumber="ngModel"&gt;
        &lt;/ngx-intl-tel-input&gt;
  </code></pre>