hamlet's pleasure in the success of the play winin the play is mirrored in the speech he makes after Claudius flees the room. what does this revealed in his words?

He is rather proud of himself. He knows the ghost of his father is "honest",

"O good Horatio, I'll take the ghost's word for a thousand pound. Didst perceive?"

He is glad that his psychological strategy to "catch the conscience of the king", has actually paid off.