"Browser localStorage is full" Error
When writing up an application we store a temporary backup of your entered text content locally, in your browser's cache. The main purpose of that functionality is to keep you from losing data if, say, you accidentally close a tab when you were in the middle of creating an application.
Although your browser should clear this cache when you close it, sometimes it doesn't. If the cache gets too full, you'll see an ugly-looking error which says something like, "Browser localStorage is full. Clear ...