The content of this text area will survive a hard refresh (Ctrl+F5
on Windows Cmd+Shit+R on Mac) and even a cache clear and hard reload
(right click your reload button in Chrome and select from the drop
down). Essentially, it will be intact until you close the tab. Note
that this feature won't work if you are testing the page locally in
Firefox, it must be served form a server.
If you use this input to read an image it will display below.
Saving Files
This section borrows code from this stack exchange answer. The mention that is has browser compatibility issues and that same thread highlights a number of alternative solutions for the same feature.
This button will prompt you to save the click stats to a file using a JSON notation: