Javascript – angular table multiple sticky header

how do we adjust the code so that we can make multiple sticky headers , I want to make the first column which is Name and second column which is No sticky and then the last column sticky. Currently the last and first column is sticky but the No column is not. How do we solve that ?

https://stackblitz.com/angular/nneoarrlekb?file=src%2Fapp%2Ftable-sticky-columns-example.html,src%2Fapp%2Ftable-sticky-columns-example.ts

#ts code

@Component({
  selector: 'table-sticky-columns-example',
  styleUrls: ['table-sticky-columns-example.css'],
  templateUrl: 'table-sticky-columns-example.html',
})
export class TableStickyColumnsExample {
  displayedColumns =
      ['name', 'position', 'weight', 'symbol', 'position', 'weight', 'symbol', 'star'];
  dataSource = ELEMENT_DATA;
}

export interface PeriodicElement {
  name: string;
  position: number;
  weight: number;
  symbol: string;
}

const ELEMENT_DATA: PeriodicElement[] = [
  {position: 1, name: 'Hydrogen', weight: 1.0079, symbol: 'H'},
  {position: 2, name: 'Helium', weight: 4.0026, symbol: 'He'},
  {position: 3, name: 'Lithium', weight: 6.941, symbol: 'Li'},
  {position: 4, name: 'Beryllium', weight: 9.0122, symbol: 'Be'},
  {position: 5, name: 'Boron', weight: 10.811, symbol: 'B'},
  {position: 6, name: 'Carbon', weight: 12.0107, symbol: 'C'},
  {position: 7, name: 'Nitrogen', weight: 14.0067, symbol: 'N'},
  {position: 8, name: 'Oxygen', weight: 15.9994, symbol: 'O'},
  {position: 9, name: 'Fluorine', weight: 18.9984, symbol: 'F'},
  {position: 10, name: 'Neon', weight: 20.1797, symbol: 'Ne'},
];

#html code

<div class="example-container mat-elevation-z8">
  <table mat-table [dataSource]="dataSource">

    <!-- Name Column -->
    <ng-container matColumnDef="name" sticky>
      <th mat-header-cell *matHeaderCellDef> Name </th>
      <td mat-cell *matCellDef="let element"> {{element.name}} </td>
    </ng-container>

    <!-- Position Column -->
    <ng-container matColumnDef="position" >
      <th mat-header-cell *matHeaderCellDef> No. </th>
      <td mat-cell *matCellDef="let element"> {{element.position}} </td>
    </ng-container>

    <!-- Weight Column -->
    <ng-container matColumnDef="weight">
      <th mat-header-cell *matHeaderCellDef> Weight </th>
      <td mat-cell *matCellDef="let element"> {{element.weight}} </td>
    </ng-container>

    <!-- Symbol Column -->
    <ng-container matColumnDef="symbol">
      <th mat-header-cell *matHeaderCellDef> Symbol </th>
      <td mat-cell *matCellDef="let element"> {{element.symbol}} </td>
    </ng-container>

    <!-- Star Column -->
    <ng-container matColumnDef="star" stickyEnd>
      <th mat-header-cell *matHeaderCellDef></th>
      <td mat-cell *matCellDef="let element">
        <mat-icon>more_vert</mat-icon>
      </td>
    </ng-container>

    <tr mat-header-row *matHeaderRowDef="displayedColumns"></tr>
    <tr mat-row *matRowDef="let row; columns: displayedColumns;"></tr>
  </table>
</div>


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    can be found in the LICENSE file at http://angular.io/license -->