Both your examples work again here. Although for some reason this time at first it didn't seem like it was working, because Windows seemed to fall back to a wireless network on my laptop and kept a connection, so the event never fired. If I disabled the wireless then pulled out the LAN cable, the events fired. Still, this isn't an issue with Construct 2, it just listens for when the browser tells it the event happened - you might want to take this up with Google/Mozilla if it's important to you.