How to show the remaining space of the localStorage?

Question

I'm creating a webapp which uses the localStorage.

I would like to show something like: X % is used over Y Megabytes

How to calculate that?

Regards.

Answer 1

IE has a proprietary propery "window.localStorage.remainingSpace" which returns the remaining space in bytes. Unfortunately can't find similar functionality in any of the other browsers.

http://msdn.microsoft.com/en-us/library/cc197016(v=vs.85).aspx

Answer 2

I think that this will help you out Calculating usage of localStorage space

There is no way to query to browser for that exact information