appwrite/app/sdks/client-web/docs/examples/database/update-document.md

let sdk = new Appwrite();

sdk .setProject('5df5acd0d48c2') // Your project ID ;

let promise = sdk.database.updateDocument('[COLLECTION_ID]', '[DOCUMENT_ID]', {}, [], []);

promise.then(function (response) { console.log(response); // Success }, function (error) { console.log(error); // Failure });