so the yellow pop is actually the method preview when hover on the [...]
Normally, when you triggered a method preview, it is very easy to close it, by just hovering out of that [...]
In my case, in Script-A, somehow I triggered a preview of method in Script-B, and the only way to close it is to click anything out of TC window, that is why it is annoying, sometimes, I have to do this several times in just one minute.
it looks like the Code Editor unexpectedly detect [...] out of current tab, and for now the workaround seems to be
1. close all rest tabs in my Code-Editor
2. expand all methods (eliminating all [...]), so method preview would not be triggered