for

let sandwiches = ['turkey', 'tuna', 'ham', 'pb&j'];

// logs 0, "tuna", 1, "ham", 2, "turkey", 3, "pb&j"
for (let i = 0; i < sandwiches.length; i++) {
	console.log(i); // index
	console.log(sandwiches[i]); // value
}