fix double event listener issue
fix double event listener issue

ryanponte/scavenger-hunt-project-1,nancyhawa/scavenger2,nancyhawa/scavenger2,supzann3/scavenger-hunt-project-1,ryanponte/scavenger-hunt-project-1,nancyhawa/scavenger2,supzann3/scavenger-hunt-project-1,ryanponte/scavenger-hunt-project-1,supzann3/scavenger-hunt-project-1