Ion-slides paginationType not working

Ionic Framework ionic-v3
1

slideOptions:any ={direction:‘vertical’,paginationType: ‘fraction’ };

<ion-slides pager (change)="onSlideChanged($event)" [options]="slideOptions"> <ion-slide *ngFor="#question of workspace.survey.questions; #i=index"> ....
the fraction seems no effect, only vertical works

here is the pen: here is the pen

3

The paginationType option (fraction, progress, custom) was added in Swiper 3.3.0, January 2016. Here’s the changelog.

The version of Swiper included with Ionic as of now is only 3.1.2.