editinterface

To edit common.js you need to be an interface administrator.

Why can you not test these gadgets as personal user scripts on zh.wikipedia.org ?

In T371995#10050337, @Aklapper wrote:

Why can you not test these gadgets as personal user scripts on zh.wikipedia.org ?

Personally, I would try not to test things on production before testing this on a beta place (which can be the cluster or testwiki), so I don't think that's an issue.

But @Dabao_qian, I am curious on why you don't already have interfaceadmin (or even sysop) on zh.wikipedia.org.