How to Assign Empty Value to Select Dropdown

default select option as blank

Maybe this will be helpful

<select>
  <option disabled selected value> -- select an option -- </option>
  <option>Option 1</option>
  <option>Option 2</option>
  <option>Option 3</option>
</select>

How to set selected value as empty for dropdownlist via jquery

$("#mySelect option[value='']").attr('selected', true)

Angular select option shows blank when assigned from array

<form #form="ngForm" (ngSubmit)="sendEmail()" class="tooltip-center-bottom">
  <div class="form-group">
    <select id="emailTem" class="form-control" name="email" [(ngModel)]="emailTem">
      <option value="" disabled selected>Select Email Template</option>
      <option *ngFor="let obj of emailArray" [value]="obj">{{obj}}</option>    
    </select>
  </div>
  <button class="btn btn-primary status-button" type="submit">Submit</button>
</form>