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Original Question

I've just upgraded Firefox to 47. No matter which site I go to, the Storage tab in dev tools always says "No data present for selected host". Can anyone else replicate?

Go to this JSFiddle, click set item then get item. If the string "value" gets printed beneath the buttons, it means the item was successfully saved, then retrieved from sessionStorage. Now open the Storage Inspector in dev tools, select sessionStorage on the left, and see whether you can see the contents of storage. I cannot even though there are contents there.

Update June 17 2016

Turns out the Storage Inspector within Firefox dev tools is broken if you select Firefox settings >> Privacy >> History to Never remember history or Always use private browsing mode (Firefox 47 32bit on Windows 7 64bit)

A fix appears to be in the works. I just installed Firefox 48 beta 1, and I no longer experience the problem.

  • Unfortunately, they have broken it again on Firefox 52 for Windows. It only works on a random, undetermined basis. – andreszs Apr 16 '17 at 19:29
  • Broken in Firefox Quantum. – Brad Nov 27 '17 at 4:58
  • Found another post on Stack Overflow that suggested removing the anchor fragment from the URL. That solved it for me. – Brad Nov 27 '17 at 5:00
  • Erratic behavior in FF60. Some sites it displays that text, "No data present for selected host", while I'm sure they use cookies and cache. Other sites it works fine. Anchor fragment or not makes no difference. – Frank Conijn Jun 13 '18 at 21:41

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