Hi dlugamarta, as mtf said your code is correct and i don’t know why it is returning an error message. Just try this code below it is the same thing that yours.
var villes = ["Melbourne", "Amman", "Helsinki", "NYC"];
for (var i = 0; i < villes.length; i++) {
console.log("J'aimerais visiter " + villes[i]);
}