Changing Case

Code Example

<script>
var cityToCheck = prompt("Please enter your city.", "Berkely");
cityToCheck = cityToCheck.toLowerCase();
var cleanestCities = ["Cheyenne", "santa fe", "tucson", "great falls", "honolulu"];
  for (var i = 0; i <= 4; i++) {
	 if (cityToCheck === cleanestCities[i]) {
	   alert("It's one of the cleanest cities!");
       document.write("It's one of the cleanest cities!");
       document.getElementById('displayText').innerHTML = "It's one of the cleanest cities!";
	 }
  // else if (cityToCheck != cleanestCities[i]) {
   // alert("Sorry, it appears you live in a shithole, son!");
	//break;
//  }
 }
</script>