localStorage in win8.1 IE11 does not synchronize

Question

We have two pages \"/read\" and \"/write\". Page \"/write\" each second updates localStorage with current time:

setInterval(function(){
    var time = (new          


        

Answer 1

Not so much an Answer, but further investigation. Using the below page, this problem can be easily tested by hosting on a web server and opening it in different tabs. Then clicking the Button in one of the tabs.

    


Set Time

Results in Chrome/Firefox/Safari regardless of OS are predictable the same. They show that localStorage is shared across the pages from the same Origin.

On IE11 on windows 7, also gives the same results.

Acording to what I have read, this appears to be per the spec, point 3 here https://html.spec.whatwg.org/multipage/webstorage.html#the-localstorage-attribute

But...

• IE 11 on windows 8.1, will demonstrate separate localStorage areas for the same origin.

• Microsoft Edge on Windows 10 (10162), has the same problem. The fact that IE11 shows 'correct' behaviour on windows 7, suggests the OS is where the problem lies?