I suppose it depends what you want to do. I wouldn't dream of allowing a JS app, in general, to run without the server working. This may not be the case in your

I suppose it depends what you want to do. I wouldn't dream of allowing a JS app, in general, to run without the server working. This may not be the case in your particular JS app. Local storage or no local storage. I don't think it's too much of a stretch to say that most web apps depend on sessions.