> If you ever had to port localStorage based code to IndexedDB you have been confronted to Javascript's biggest flaw; its asynchronous system is leaky. Once you

> If you ever had to port localStorage based code to IndexedDB you have been confronted to Javascript's biggest flaw; its asynchronous system is leaky. Once you have an asynchronous method, every other method that calls it must be asynchronous as well. If I was writing localStorage I would use setTimeout or something and make it async from the beginning. You should always assume async when any type of I/O is happening.