Help with javascript random picker

Hi, there is random name picker, i need make changes in results: result must be not one person but few and make some effect like firework at the end. github/com/heiswayi/random-name-picker Need js skills
Is there anybody could help ?

Have you tried to implement this somewhere?

This is a learning site, not a “will someone please do this for me” site. If you want, give it a shot, post what you’ve tried and ask questions.