From 22221b9a9555ab31bb026d1cdcb56fcf604a445a Mon Sep 17 00:00:00 2001 From: Arunkumar Akilan Date: Wed, 1 Apr 2026 19:48:07 +0100 Subject: [PATCH 1/4] refactor: apply object destructuring in function --- Sprint-1/destructuring/exercise-1/exercise.js | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Sprint-1/destructuring/exercise-1/exercise.js b/Sprint-1/destructuring/exercise-1/exercise.js index 1ff2ac5c..acff8b7b 100644 --- a/Sprint-1/destructuring/exercise-1/exercise.js +++ b/Sprint-1/destructuring/exercise-1/exercise.js @@ -6,7 +6,9 @@ const personOne = { // Update the parameter to this function to make it work. // Don't change anything else. -function introduceYourself(___________________________) { + +let {name,age,favouriteFood} = personOne; +function introduceYourself({name,age,favouriteFood}) { console.log( `Hello, my name is ${name}. I am ${age} years old and my favourite food is ${favouriteFood}.` ); From 3d7567573d4607b349950215b06a2d570b7f3377 Mon Sep 17 00:00:00 2001 From: Arunkumar Akilan Date: Thu, 2 Apr 2026 21:09:25 +0100 Subject: [PATCH 2/4] feat: filter hogwarts data and extract names using destructuring --- Sprint-1/destructuring/exercise-2/exercise.js | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Sprint-1/destructuring/exercise-2/exercise.js b/Sprint-1/destructuring/exercise-2/exercise.js index e11b75eb..8bb81c33 100644 --- a/Sprint-1/destructuring/exercise-2/exercise.js +++ b/Sprint-1/destructuring/exercise-2/exercise.js @@ -70,3 +70,12 @@ let hogwarts = [ occupation: "Teacher", }, ]; +function getFilteredNames(hogwarts) +{ + + let filterName =hogwarts.filter(({house})=>house==="Gryffindor").map(({firstName,lastName})=> `${firstName} ${lastName}`); + console.log(filterName); + let teachersWithPet = hogwarts.filter(({pet,occupation})=> pet!==null && occupation === "Teacher").map(({firstName,lastName})=>`${firstName} ${lastName}`); + console.log(teachersWithPet) +} + getFilteredNames(hogwarts); \ No newline at end of file From 5454dd5027a480541edc9f450bf6dccd56ee0e39 Mon Sep 17 00:00:00 2001 From: Arunkumar Akilan Date: Fri, 3 Apr 2026 17:24:03 +0100 Subject: [PATCH 3/4] Add receipt printer with destructuring and formatted output --- Sprint-1/destructuring/exercise-3/exercise.js | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/Sprint-1/destructuring/exercise-3/exercise.js b/Sprint-1/destructuring/exercise-3/exercise.js index b3a36f4e..d0cf08ac 100644 --- a/Sprint-1/destructuring/exercise-3/exercise.js +++ b/Sprint-1/destructuring/exercise-3/exercise.js @@ -6,3 +6,26 @@ let order = [ { itemName: "Hot Coffee", quantity: 2, unitPricePence: 100 }, { itemName: "Hash Brown", quantity: 4, unitPricePence: 40 }, ]; + +function printReceipt(order) +{ + let sum = 0; + console.log("QTY".padEnd(5) + "ITEM".padEnd(20) + "TOTAL".padStart(10)); + for (const { itemName, quantity, unitPricePence } of order) { + let paddedPrice = unitPricePence.toString().padStart(3, "0"); + let pounds = paddedPrice.slice(0, 1); + let pence = paddedPrice.slice(1).padEnd(2, "0"); + let total = `${pounds}.${pence}` * quantity; + let price = total.toFixed(2); + sum += total; + let result = + String(quantity).padEnd(5) + itemName.padEnd(20) + price.padStart(10); + console.log(result); + } + console.log(); + return `Total: ${sum.toFixed(2)}`; + +} + + +console.log(printReceipt(order)); \ No newline at end of file From 8d45b1aa44bc44dd3423d21a3d4e72d0c6db1bcf Mon Sep 17 00:00:00 2001 From: Arunkumar Akilan Date: Fri, 10 Apr 2026 13:14:05 +0100 Subject: [PATCH 4/4] Complete book library app: add, delete, toggle read, fix bugs and improve validation --- debugging/book-library/index.html | 4 ++-- debugging/book-library/script.js | 28 +++++++++++++++------------- 2 files changed, 17 insertions(+), 15 deletions(-) diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html index 23acfa71..62664a01 100644 --- a/debugging/book-library/index.html +++ b/debugging/book-library/index.html @@ -65,7 +65,7 @@

Library

type="submit" value="Submit" class="btn btn-primary" - onclick="submit();" + onclick="addBook();" /> @@ -77,7 +77,7 @@

Library

Author Number of Pages Read - + Delete diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index 75ce6c1d..3975920f 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -16,7 +16,7 @@ function populateStorage() { ); myLibrary.push(book1); myLibrary.push(book2); - render(); + } } @@ -27,18 +27,20 @@ const check = document.getElementById("check"); //check the right input from forms and if its ok -> add the new book (object in array) //via Book function and start render function -function submit() { +function addBook() { if ( title.value == null || title.value == "" || pages.value == null || - pages.value == "" + pages.value == "" || + author.value == null || + author.value == "" ) { alert("Please fill all fields!"); return false; } else { - let book = new Book(title.value, title.value, pages.value, check.checked); - library.push(book); + let book = new Book(title.value, author.value, pages.value, check.checked); + myLibrary.push(book); render(); } } @@ -54,7 +56,7 @@ function render() { let table = document.getElementById("display"); let rowsNumber = table.rows.length; //delete old table - for (let n = rowsNumber - 1; n > 0; n-- { + for (let n = rowsNumber - 1; n > 0; n-- ){ table.deleteRow(n); } //insert updated row and cells @@ -69,14 +71,14 @@ function render() { titleCell.innerHTML = myLibrary[i].title; authorCell.innerHTML = myLibrary[i].author; pagesCell.innerHTML = myLibrary[i].pages; - + //add and wait for action for read/unread button let changeBut = document.createElement("button"); changeBut.id = i; changeBut.className = "btn btn-success"; wasReadCell.appendChild(changeBut); let readStatus = ""; - if (myLibrary[i].check == false) { + if (myLibrary[i].check == true) { readStatus = "Yes"; } else { readStatus = "No"; @@ -90,11 +92,11 @@ function render() { //add delete button to every row and render again let delButton = document.createElement("button"); - delBut.id = i + 5; - deleteCell.appendChild(delBut); - delBut.className = "btn btn-warning"; - delBut.innerHTML = "Delete"; - delBut.addEventListener("clicks", function () { + delButton.id = i; + deleteCell.appendChild(delButton); + delButton.className = "btn btn-warning"; + delButton.innerHTML = "Delete"; + delButton.addEventListener("click", function () { alert(`You've deleted title: ${myLibrary[i].title}`); myLibrary.splice(i, 1); render();