How to change the value of a position of an array from a doc on Ionic 4?


Hi everyone, i’m trying to change the value of this:


but just know how to add values, now i need to once click on the on a position of the value i want to change (i need also pass on params the index) it goes to the and need to load it but don’t know how to obtain this value.

                ideas: firestore.FieldValue.arrayUnion(this.idea)

Thanks you so much anyway