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9 changes: 0 additions & 9 deletions Sprint-3/3-dead-code/README.md

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We were not meant to delete the file with the instructions. Can we bring it back?

This file was deleted.

8 changes: 4 additions & 4 deletions Sprint-3/3-dead-code/exercise-1.js

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Commenting out and removing are not the same thing; knowing that, can you tidy these files up?

Original file line number Diff line number Diff line change
@@ -1,17 +1,17 @@
// 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";
// let testName = "Jerry"; - redundant
const greeting = "hello";

function sayHello(greeting, name) {
const greetingStr = greeting + ", " + name + "!";
// const greetingStr = greeting + ", " + name + "!"; - redundant
return `${greeting}, ${name}!`;
console.log(greetingStr);
// console.log(greetingStr); - redundant
}

testName = "Aman";

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This will either result in a variable in the global scope or throw an error. Can you find a way to fix it?


const greetingMessage = sayHello(greeting, testName);
const greetingMessage = sayHello(greeting, testName);

console.log(greetingMessage); // 'hello, Aman!'
14 changes: 10 additions & 4 deletions Sprint-3/3-dead-code/exercise-2.js

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Same note re; comment vs deletion

Original file line number Diff line number Diff line change
@@ -1,13 +1,16 @@
// Remove the unused code that does not contribute to the final console log
// 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 capitalisedPets = pets.map((pet) => pet.toUpperCase()); - redundant
const petsStartingWithH = pets.filter((pet) => pet[0] === "h");

function logPets(petsArr) {
petsArr.forEach((pet) => console.log(pet));
}

// function logPets(petsArr) {
// petsArr.forEach((pet) => console.log(pet));
// } - redundant


function countAndCapitalisePets(petsArr) {
const petCount = {};
Expand All @@ -23,6 +26,9 @@ function countAndCapitalisePets(petsArr) {
return petCount;
}


const countedPetsStartingWithH = countAndCapitalisePets(petsStartingWithH);


console.log(countedPetsStartingWithH); // { 'HAMSTER': 3, 'HORSE': 1 } <- Final console log

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