Done.

Author: Mo Lawler

flow-control.js

@@ -1,19 +1,42 @@
 function basicTeenager(age) {
-
+ if (age >= 13 && age <= 19) {
+   return "You are a teenager!";
+ }
 }
 
-function teenager(age) {
-
+function teenager(age){
+ if (age >= 13 && age <= 19) {
+   return "You are a teenager!";
+ } else {
+   return "You are not a teenager";
+ }
 }
 
-function ageChecker(age) {
-
+function ageChecker(age){
+ if (age >= 13 && age <= 19) {
+   return "You are a teenager!";
+ } else if (age < 13) {
+   return "You are a kid";
+ } else {
+   return "You are a grownup";
+ }
 }
 
-function ternaryTeenager(age) {
-
+function ternaryTeenager(age){
+ return age >= 13 && age <= 19 ? "You are a teenager" : "You are not a teenager"
 }
 
-function switchAge(age) {
-
+function switchAge(age){
+ switch (age) {
+ case 13:
+ case 14:
+ case 15:
+ case 16:
+ case 17:
+ case 18:
+ case 19:
+   return "You are a teenager";
+ default:
+   return "You have an age"
+ }
 }