CODE EXAMPLE FOR JAVASCRIPT

contains() js

const ParticipantsOfArtExhibition = [
	"Jhon",
  	"Amy",
  	"Liam"
]

ParticipantsOfArtExhibition.includes("Jhon") //true
ParticipantsOfArtExhibition.includes("Thompson") //false
ParticipantsOfArtExhibition.includes("Amy") //true