angularjs - How to set index on sidemenu Ionic -


i have project fetches data wordpress using loop category wordpress , put side menu don't know how index of array , customize 1 one

ionic side menu code 

<ion-list>   <button color="primary" menuclose ion-item *ngfor="let p of pages" (click)="openpage(p)">      <ion-icon name="add" item-left></ion-icon>     {{p.title}}   </button> </ion-list>

loop using 

api.category().subscribe(datas =>{       //title: datas[1].name       //id: datas[0].id       (let of datas){         this.pages.push({         title : i.name,               id:i.id         })


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