Notes

(function () {
var COMPAT_ENVS = [
['Firefox', ">= 16.0"],
['Google Chrome',
">= 24.0 (you may need to get Google Chrome Canary), NO Blob storage support"]
];
var compat = $('#compat');
compat.empty();
compat.append('<ul id="compat-list"></ul>');
COMPAT_ENVS.forEach(function(val, idx, array) {
$('#compat-list').append('<li>' + val[0] + ': ' + val[1] + '</li>');
});

const DB_NAME = 'mdn-demo-indexeddb-epublications';
const DB_VERSION = 1; // Use a long long for this value (don't use a float)
const DB_STORE_NAME = 'publications';

var db;

// Used to keep track of which view is displayed to avoid uselessly reloading it
var current_view_pub_key;

function openDb() {
console.log("openDb ...");
var req = indexedDB.open(DB_NAME, DB_VERSION);
req.onsuccess = function (evt) {
// Equal to: db = req.result;
db = this.result;
console.log("openDb DONE");
};
req.onerror = function (evt) {
console.error("openDb:", evt.target.errorCode);
};

req.onupgradeneeded = function (evt) {
console.log("openDb.onupgradeneeded");
var store = evt.currentTarget.result.createObjectStore(
DB_STORE_NAME, { keyPath: 'id', autoIncrement: true });

store.createIndex('biblioid', 'biblioid', { unique: true });
store.createIndex('title', 'title', { unique: false });
store.createIndex('year', 'year', { unique: false });
};
}