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5 changes: 1 addition & 4 deletions dead-code/exercise-1.js

@cjyuan cjyuan Oct 29, 2026 •

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There is still dead code in this file.

Note: Dead code (unused identifier) usually appears in different color in VS Code editor.

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I remove the const greetingStr

Original file line number Diff line number Diff line change
@@ -1,16 +1,13 @@
// 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";
let testName = "Aman";

const greetingMessage = sayHello(greeting, testName);

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5 changes: 0 additions & 5 deletions dead-code/exercise-2.js
Original file line number Diff line number Diff line change
Expand Up @@ -2,13 +2,8 @@
// 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 = {};

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