appwrite/docs/examples/1.8.x/console-web/examples/databases/increment-document-attribute.md

import { Client, Databases } from "@appwrite.io/console";

const client = new Client()
    .setEndpoint('https://<REGION>.cloud.appwrite.io/v1') // Your API Endpoint
    .setProject('<YOUR_PROJECT_ID>'); // Your project ID

const databases = new Databases(client);

const result = await databases.incrementDocumentAttribute({
    databaseId: '<DATABASE_ID>',
    collectionId: '<COLLECTION_ID>',
    documentId: '<DOCUMENT_ID>',
    attribute: '',
    value: null, // optional
    max: null, // optional
    transactionId: '<TRANSACTION_ID>' // optional
});

console.log(result);