/Swift/Remove and element from array firebase swift 5

Remove and element from array firebase swift 5

let washingtonRef = db.collection("cities").document("DC")

// Atomically add a new region to the "regions" array field.
washingtonRef.updateData([
    "regions": FieldValue.arrayUnion(["greater_virginia"])
])

// Atomically remove a region from the "regions" array field.
washingtonRef.updateData([
    "regions": FieldValue.arrayRemove(["east_coast"])
])

Source: stackoverflow.com

Similar codes

0 vote196 views1 answer
UIFont.init bold
Swift
0 vote209 views1 answer
Change multiplier programactlilly ios swift
Swift
0 vote226 views1 answer
Swift add two arrays
Swift
3 votes224 views2 answers
Add top corner radius swift
Swift
1 vote265 views1 answer
Xcode disable a button
Swift
0 vote227 views2 answers
Manifest merger failed in android studio
Swift
1 vote300 views2 answers
How to scroll to section in tableview swift
Swift
1 vote245 views1 answer
Localized string format swift
Swift
18 votes242 views2 answers
Swift append element to array
Swift
0 vote261 views2 answers
Abstract classes in Swift
Swift