Firestore increment field

const userRef = db.collection('documents').doc('document_id');
const increment = firebase.firestore.FieldValue.increment(1);

userRef.update({ FieldToIncrease: increment });

Firestore decrement field

const userRef = db.collection('documents').doc('document_id');
const decrement = firebase.firestore.FieldValue.increment(-1);

userRef.update({ fieldToDecrease: decrement });

Similar codes

1 vote173 views1 answer
How to enable and disable gameobjects c#
TypeScript
5 votes184 views3 answers
Intersection python
TypeScript
0 vote167 views1 answer
Property control in spotfire doest not exist on abstractcontrol
TypeScript
3 votes190 views2 answers
Adonis load relationship
TypeScript
17 votes184 views3 answers
Js null ==
TypeScript
8 votes180 views3 answers
Object iteration in typescript
TypeScript
8 votes243 views3 answers
Angular window scroll to top not working
TypeScript
5 votes187 views5 answers
Angular 8 ngClass If
TypeScript
0 vote199 views1 answer
Automation over manual
TypeScript
7 votes180 views4 answers
View tar.gz contents without extracting
TypeScript