This page lets you manually write (a random string) and read the foo storage item. Once read, the value is updated via storage events.
The value of foo is ""
These details are updated on page load, after each action, and every storage events.
* Kicking attempts to force synchronizing localStorage, by writing and removing a different storage item. (Be sure to click "READ foo", afterward.)
This same page may be tested via an iframe with the same-domain, or an iframe with a different top-level domain.
This page tests standard'ish localStorage behavior, particularly in Internet Explorer - version 10 and up. See this thread for the latest details on IE.