day 7

Author: thedarkking01

Day 7 objects.js

@@ -0,0 +1,139 @@
+// Activity 1: Object Creation and Access
+
+// Task 1: Create an object representing a book and log it
+
+let book = {
+    title: "To Kill a Mockingbird",
+    author: "Harper Lee",
+    year: 1960
+};
+console.log(book);
+
+
+//Task 2: Access and log the title and author properties
+console.log("Title:", book.title);
+console.log("Author:", book.author);
+
+
+// Activity 2: Object Methods
+
+//Task 3: Add a method to return a string with the book's title and author
+book.getDetails = function() {
+    return `${this.title} by ${this.author}`;
+};
+console.log(book.getDetails());
+
+//Task 4: Add a method that updates the book's year property
+book.updateYear = function(newYear) {
+    this.year = newYear;
+};
+book.updateYear(2021);
+console.log(book);
+
+
+// Activity 3: Nested Objects
+
+// Task 5: Create a nested object representing a library and log it
+let library = {
+    name: "City Library",
+    books: [
+        { title: "1984", author: "George Orwell", year: 1949 },
+        { title: "The Great Gatsby", author: "F. Scott Fitzgerald", year: 1925 },
+        book
+    ]
+};
+console.log(library);
+
+// Task 6: Access and log the name of the library and the titles of all the books
+console.log("Library Name:", library.name);
+library.books.forEach(b => console.log("Book Title:", b.title));
+
+
+// Activity 4: The `this` Keyword
+
+// Task 7: Add a method that uses `this` to return a string with the book's title and year
+
+book.getTitleAndYear = function() {
+    return `${this.title} (${this.year})`;
+};
+console.log(book.getTitleAndYear());
+
+
+//Activity 5: Object Iteration
+
+//Task 8: Use a `for...in` loop to iterate over the properties of the book object
+for (let key in book) {
+    if (book.hasOwnProperty(key)) {
+        console.log(`${key}: ${book[key]}`);
+    }
+}
+
+// Task 9: Use `Object.keys` and `Object.values` to log all keys and values
+console.log("Keys:", Object.keys(book));
+console.log("Values:", Object.values(book));
+
+// Feature Request Scripts
+
+// 1. Book Object Script
+
+let bookScript = {
+    title: "To Kill a Mockingbird",
+    author: "Harper Lee",
+    year: 1960,
+    getDetails: function() {
+        return `${this.title} by ${this.author}`;
+    },
+    updateYear: function(newYear) {
+        this.year = newYear;
+    },
+    getTitleAndYear: function() {
+        return `${this.title} (${this.year})`;
+    }
+};
+console.log(bookScript);
+console.log(bookScript.getDetails());
+bookScript.updateYear(2021);
+console.log(bookScript);
+console.log(bookScript.getTitleAndYear());
+
+
+// 2. Library Object Script
+
+let libraryScript = {
+    name: "City Library",
+    books: [
+        { title: "1984", author: "George Orwell", year: 1949 },
+        { title: "The Great Gatsby", author: "F. Scott Fitzgerald", year: 1925 },
+        bookScript
+    ]
+};
+console.log(libraryScript);
+console.log("Library Name:", libraryScript.name);
+libraryScript.books.forEach(b => console.log("Book Title:", b.title));
+
+
+// 3. Object Iteration Script
+
+let bookIteration = {
+    title: "To Kill a Mockingbird",
+    author: "Harper Lee",
+    year: 1960,
+    getDetails: function() {
+        return `${this.title} by ${this.author}`;
+    },
+    updateYear: function(newYear) {
+        this.year = newYear;
+    },
+    getTitleAndYear: function() {
+        return `${this.title} (${this.year})`;
+    }
+};
+
+for (let key in bookIteration) {
+    if (bookIteration.hasOwnProperty(key)) {
+        console.log(`${key}: ${bookIteration[key]}`);
+    }
+}
+
+console.log("Keys:", Object.keys(bookIteration));
+console.log("Values:", Object.values(bookIteration));