I read the full article. No teleprompter. Just winging it for 90 minutes, the fraudster is going to get crushed.
She could start out by reminding folks that there will be a lot of "facts" (with big air quotes) coming out of Donald and she won't have the time to correct them all, and while she hopes the moderators will correct a few that isn't really their only job tonight, but the voters can check the internet in the morning to see how many of his "facts" are connected in any way to reality. I have to trust that you can see who is lying to you and who isn't.
This basically writes the next morning's stories for every newspaper and morning news show. And, it puts the burden on the viewer to do their own research. It won't convince the die-hard trumps, but it may work on the small slice of undecideds. And it will keep her base happy.