How can I load a local json file?

Question

Is there a way to configure firefox using about:config to allow local file access (for demo purposes)?

Specifically using FF12, I need to be able to

Answer 1

If the JSON file is on your local computer, access it like this:

You'll have to add that line to your offline project and remove it when it's live, but it's the best way to do it without any server-side assistance. You'll also have to remove your AJAX code for your demo, because it's not going to work on your local computer.