bgbruno

// This works on all devices/browsers, and uses IndexedDBShim as a final fallback 
var indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB || window.shimIndexedDB;

// Open (or create) the database
var open = indexedDB.open("MyDatabase", 1);

// Create the schema
open.onupgradeneeded = function() {
    var db = open.result;
    var store = db.createObjectStore("MyObjectStore", {keyPath: "id"});

bgbruno

// ==UserScript==
// @name         webcloud.io - mail.google.com
// @namespace    https://bgbruno.com
// @version      1
// @description  
// @author       BG Bruno
// @match        https://mail.google.com/*
// @grant        none
// @updateURL    https://bgbruno.com/webwrap/google.com/mail.google.com/helper.user.js
// @downloadURL  https://bgbruno.com/webwrap/google.com/mail.google.com/helper.user.js