Check out example codes for "ionic set mode ios to whle app". It will help you in understanding the concepts better.

Code Example 1

import { IonicModule } from '@ionic/angular';

@NgModule({
  ...
  imports: [
    BrowserModule,
    IonicModule.forRoot({
      rippleEffect: false,
      mode: 'ios'
    }),
    AppRoutingModule
  ],
  ...
})

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