I use Chrome. Console is easy to find. Looks like FF its similar to Chrome, press ESCAPE while in Inspector tab to get the console at the bottom. This is the view I normally use in Chrome, using ESPACE to toggle the console or not when I want more space to look at code or styles etc.
EDIT: Looks like you may have console showing, its the space below āFilter Outputā
Yes, or the Tab next to Inspect
I only see the load sequence of the view, and aload of āfontā errors
And have no idea howto ārunā something in that console
Anyways, i might try to install Chrome, to see if i better understand it there, spite i donāt like Google mess up my Laptop 
Thanx for the help above , ill continue with my trail & error approach 
PS: Actually i think the reason with āsomeā of my issue was that i didnāt had the auto-entity build up as yours , With The Include in top, i had the Card/Card_param in top, so the ādivider/headerā acted spooky
For Firefox info see Use the Inspector from the Web Console ā Firefox Source Docs documentation
You should be able to get the console drawer at the bottom of inspector tab, though you may have sized it to nearly nothing. While in inspector tab press esc carefully view what happens at the bottom. The last view of the attached link shows the console drawer in inspector tab.
You can use $0 on the console tab, just I recommend to get used to using console on Inspectotr tab.
Ok thanks, iāll check the docs-url, and as for my(this laptop) daily use, is a 1336x720 15inns ā¦ NOT Optimal 
i admit
