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ITP-Jan 2025 | London | Chi Mbah | Module-Data-Flows | Week 10 | Sprint 1 | Array Destructuring #191

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ITP-Jan 2025 | London | Chi Mbah | Module-Data-Flows | Week 10 | Sprint 1 | Array Destructuring #191

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d819107
Completed the function in exercise 1
Chi-Mb Apr 10, 2025
f188895
Completed exercise 2: Added Gryffindor & teacher pet filters
Chi-Mb Apr 11, 2025
bb13b7f
Completed exercise 3: format receipt with destructuring
Chi-Mb Apr 11, 2025
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3 changes: 2 additions & 1 deletion Sprint-1/destructuring/exercise-1/exercise.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,10 +6,11 @@ const personOne = {

// Update the parameter to this function to make it work.
// Don't change anything else.
function introduceYourself(___________________________) {
function introduceYourself({ name, age, favouriteFood }) {
console.log(
`Hello, my name is ${name}. I am ${age} years old and my favourite food is ${favouriteFood}.`
);
}

introduceYourself(personOne);

23 changes: 23 additions & 0 deletions Sprint-1/destructuring/exercise-2/exercise.js
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Expand Up @@ -70,3 +70,26 @@ let hogwarts = [
occupation: "Teacher",
},
];



// Task 1:

console.log("Gryffindor Members:");

hogwarts.forEach(({ firstName, lastName, house }) => {
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This works really well! 👏
Something you can do (only a suggestion) is to use .filter to only keep the records where house === "Gryffindor", before .forEach.
This will make your code more concise.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter

(The same could be done to filter and only keep teachers who have pets in task 2 below)

if (house === "Gryffindor") {
console.log(`${firstName} ${lastName}`);
}
});


// Task 2:

console.log("\nTeachers with Pets:");

hogwarts.forEach(({ firstName, lastName, occupation, pet }) => {
if (occupation === "Teacher" && pet) {
console.log(`${firstName} ${lastName}`);
}
});
15 changes: 15 additions & 0 deletions Sprint-1/destructuring/exercise-3/exercise.js
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Expand Up @@ -6,3 +6,18 @@ let order = [
{ itemName: "Hot Coffee", quantity: 2, unitPricePence: 100 },
{ itemName: "Hash Brown", quantity: 4, unitPricePence: 40 },
];

console.log("QTY ITEM TOTAL");

let total = 0;

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It's best practice to declare variables that are not reassigned as 'const' instead of 'let'.
Can you review your variable declarations that are not reassigned and change them to const?

Here is a video you can watch: https://youtu.be/RE6qf3As-XU?si=_YaiEPeBC5Cx_j56

for (let item of order) {
let { itemName, quantity, unitPricePence } = item;
let itemTotal = (unitPricePence * quantity) / 100;
total += itemTotal;
console.log(
`${String(quantity).padEnd(8)}${itemName.padEnd(20)}${itemTotal.toFixed(2)}`
);
}

console.log(`\nTotal: ${total.toFixed(2)}`);