Fulham have won three straight games and sit sixth in the table with just three matches remaining.
Huddersfield are still chasing automatic promotion to the Premier League and Jokanovic said: “We are fully confident in this moment and we believe we can win all the games. And with this mentality everything is easier for us.
"We understand we are playing against a team who have been a sensation in this League. This team have played very well, it is a very aggressive team, and I do not expect anything to be easy in this game.
“But we need to be optimistic and show ambition.”