Check out example codes for "ionic ngfor object". It will help you in understanding the concepts better.

Code Example 1

//in the Component pass Object to template:

Object = Object;
// then in the template:

<div *ngFor="let key of Object.keys(objs)">
   my key: {{key}}
   my object {{objs[key] | json}} <!-- hier I could use ngFor again with Object.keys(objs[key]) -->

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