Check if your city is one of the cleanest cities.
<script>
var cityToCheck = prompt("Enter your city name to find out if it's on the Cleanest Cities list", "Honolulu");
var cleanestCities = ["Cheyenne", "Santa Fe", "Tucson", "Great Falls", "Honolulu"];
var numElements = cleanestCities.length;
var matchFound = false;
for (var i = 0; i < numElements; i++) {
if (cityToCheck === cleanestCities[i]) {
matchFound = true;
alert("It's one of the cleanest cities");
break;
}
}
if (matchFound === false) {
alert("It's not on the list");
}
</script>