simple indexDB for js workers or another

db_on_js.js

// Create/open database

var db, dbVersion = 1, request = indexedDB.open("simpleDB", dbVersion)

request.onerror = function (event) {
  console.log("Error creating/accessing IndexedDB database");
};

request.onsuccess = function (event) {
  console.log("Success creating/accessing IndexedDB database");
  db = request.result;

  db.onerror = function (event) {
    console.log("Error creating/accessing IndexedDB database");
  };

  db.createObjectStore("simple");
  var transaction = db.transaction(["simple"], IDBTransaction.READ_WRITE);
  var put = transaction.objectStore("simple").put('s;alkdjnflkasjdhf lkashjdf akey', 'token');

  transaction.objectStore("simple").get("token").onsuccess = function (event) {
    var token = event.target.result;
    console.log("Got token!" + token);
  };
}


//from here:
// https://hacks.mozilla.org/2012/02/storing-images-and-files-in-indexeddb/