<script>
var favcolor = "red";

switch (favcolor) {
    case "red":
        document.write( "Your favorite color is red!");
        break;
    case "blue":
        document.write("Your favorite color is blue!");
        break;
    case "green":
        document.write("Your favorite color is green!");
        break;
    default:
        document.write("Your favorite color is neither red, blue, nor green!");
}
</script>
Your favorite color is red!