London | 26 ITP MAY | Russom Gebremeskel | Sprint 1 | Dead Code

dead-code/exercise-1.js

@@ -1,17 +1,6 @@
 // Find the instances of unreachable and redundant code - remove them!
 // The sayHello function should continue to work for any reasonable input it's given.
 
-let testName = "Jerry";
-const greeting = "hello";
-
 function sayHello(greeting, name) {
-  const greetingStr = greeting + ", " + name + "!";
   return `${greeting}, ${name}!`;
-  console.log(greetingStr);
 }
-
-testName = "Aman";
-
-const greetingMessage = sayHello(greeting, testName);
-
-console.log(greetingMessage); // 'hello, Aman!'

dead-code/exercise-2.js

@@ -2,27 +2,24 @@
 // The countAndCapitalisePets function should continue to work for any reasonable input it's given, and you shouldn't modify the pets variable.
 
 const pets = ["parrot", "hamster", "horse", "dog", "hamster", "cat", "hamster"];
-const capitalisedPets = pets.map((pet) => pet.toUpperCase());
-const petsStartingWithH = pets.filter((pet) => pet[0] === "h");
-
-function logPets(petsArr) {
-  petsArr.forEach((pet) => console.log(pet));
-}
 
 function countAndCapitalisePets(petsArr) {
   const petCount = {};
 
-  petsArr.forEach((pet) => {
-    const capitalisedPet = pet.toUpperCase();
-    if (petCount[capitalisedPet]) {
-      petCount[capitalisedPet] += 1;
-    } else {
-      petCount[capitalisedPet] = 1;
-    }
-  });
+  petsArr
+    .filter((pet) => pet[0] === "h")
+    .forEach((pet) => {
+      const capitalisedPet = pet.toUpperCase();
+
+      if (petCount[capitalisedPet]) {
+        petCount[capitalisedPet] += 1;
+      } else {
+        petCount[capitalisedPet] = 1;
+      }
+    });
+
   return petCount;
 }
 
-const countedPetsStartingWithH = countAndCapitalisePets(petsStartingWithH);
-
-console.log(countedPetsStartingWithH); // { 'HAMSTER': 3, 'HORSE': 1 } <- Final console log
+const animals = ["lion", "hyena", "elephant", "hippo", "tiger", "hippo"];
+console.log(countAndCapitalisePets(animals));