FIREBASE getting document data

I’m making an app and trying to get product data by it’s id inside a modal in ionic 4. I’m using typescript to do it but without luck. Because de calls to firebase are asynchronous i cannot get the …

Get all the documents from a collection firebase angular/typescript [closed]

Hello everybody I am check in the official webside of firebase how to retrieve all the documents from a collection but it gives me just 1 and it is not the first one not the last but somewhere in the …