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

3 votes199 views1 answer
Whats the binary nmber system
TypeScript
0 vote196 views1 answer
How to find uncommon elements in two lists in python
TypeScript
12 votes188 views6 answers
Typescript array of objects
TypeScript
6 votes198 views4 answers
Property 'style' does not exist on type 'Element'.ts(2339)
TypeScript
0 vote198 views3 answers
Get weights of a layer keras
TypeScript
7 votes171 views3 answers
Ts await foreach loop
TypeScript
0 vote190 views1 answer
How to sort documents in firebase database date wise
TypeScript
0 vote202 views1 answer
Latex brackets around lines in text mode
TypeScript
0 vote192 views1 answer
Pandas get count of pair of elements in two columns
TypeScript
1 vote182 views1 answer
Ion modal dismiss
TypeScript