Firefox 57 / Quantum: emulate print styles
问题 How can I emulate the media type "print" in the new Firefox Quantum dev console? Tried to enable it somehow and searched the documentation but couldn't find any hints! 回答1: I thought it's impossible. But suddenly have found answer in another topic: press Shift + F2 to get special browser console type "media emulate print" hit "Enter" That's it. [UPD] this console has gone starting from v62. There are tiny chances to get this feature back according to https://discourse.mozilla.org/t/how-to