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Merge branch 'prep-class23' of github.com:HackYourFuture/JavaScript3 into prep-class23
2 parents b03fbaa + 045aaf3 commit 61b9d13

18 files changed

+610
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lines changed

‎.vscode/settings.json

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"tabindex",
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"whiteframe"
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]
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}
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}

‎Week3/traversy_oop_crash_course/1_basics_literals.js

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// Object Literal
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const book1 = {
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title: 'Book One',
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author: 'John Doe',
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year: 2013,
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getSummary: function() {
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return `${this.title} was written by ${this.author} in ${this.year}.`;
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},
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};
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const book2 = {
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title: 'Book Two',
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author: 'Jane Doe',
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year: 2016,
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getSummary: function() {
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return `${this.title} was written by ${this.author} in ${this.year}.`;
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},
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};
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console.log(book1.getSummary());
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console.log(book2.getSummary());

‎Week3/traversy_oop_crash_course/2_constructor.js

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// Constructor
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function Book(title, author, year) {
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this.title = title;
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this.author = author;
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this.year = year;
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this.getSummary = function() {
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return `${this.title} was written by ${this.author} in ${this.year}.`;
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};
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}
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// Instantiate an Object
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const book1 = new Book('Book One', 'John Doe', 2013);
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const book2 = new Book('Book Two', 'Jane Doe', 2016);
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console.log(book1.getSummary());
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console.log(book2.getSummary());
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console.log(book1);
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book1.turnPage();

‎Week3/traversy_oop_crash_course/3_prototypes.js

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// Constructor
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function Book(title, author, year) {
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this.title = title;
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this.author = author;
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this.year = year;
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}
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Book.prototype.getSummary = function() {
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return `${this.title} was written by ${this.author} in ${this.year}.`;
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};
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Book.prototype.getAge = function() {
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const years = new Date().getFullYear() - this.year;
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return `${this.title} is ${years} years old.`;
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};
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// Revise / Change Year
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Book.prototype.revise = function(newYear) {
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this.year = newYear;
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this.revised = true;
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};
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// Instantiate an Object
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const book1 = new Book('Book One', 'John Doe', 2013);
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const book2 = new Book('Book Two', 'Jane Doe', 2016);
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console.log(book1.getSummary());
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console.log(book2.getSummary());
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console.log(book2);
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book2.revise(2018);
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console.log(book2);
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console.log(book2.getAge());

‎Week3/traversy_oop_crash_course/4_inheritance.js

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// Book Constructor
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function Book(title, author, year) {
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this.title = title;
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this.author = author;
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this.year = year;
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}
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Book.prototype.getSummary = function() {
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return `${this.title} was written by ${this.author} in ${this.year}.`;
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};
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Book.prototype.getAge = function() {
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const years = new Date().getFullYear() - this.year;
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return `${this.title} is ${years} years old.`;
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};
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// Magazine Constructor
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function Magazine(title, author, year, month) {
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Book.call(this, title, author, year);
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this.month = month;
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}
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// Inherit Prototype
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Magazine.prototype = Object.create(Book.prototype);
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// Use Magazine Constructor
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Magazine.prototype.constructor = Magazine;
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Magazine.prototype.updateMonth = function(month) {
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this.month = month;
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};
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// Instantiate Magazine Object
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const mag1 = new Magazine('Mag One', 'John Doe', 2018, 'Jan');
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console.log(mag1);
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console.log(mag1.getSummary());

‎Week3/traversy_oop_crash_course/5_object_create.js

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// Object of Protos
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const bookProtos = {
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getSummary: function() {
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return `${this.title} was written by ${this.author} in ${this.year}.`;
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},
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getAge: function() {
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const years = new Date().getFullYear() - this.year;
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return `${this.title} is ${years} years old.`;
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},
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};
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// Create Object
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const book1 = Object.create(bookProtos);
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book1.title = 'Book One';
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book1.author = 'John Doe';
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book1.year = 2013;
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const book2 = Object.create(bookProtos, {
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title: { value: 'Book Two' },
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author: { value: 'Jane Doe' },
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year: { value: 2016 },
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});
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console.log(book1);
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console.log(book2);

‎Week3/traversy_oop_crash_course/6_classes.js

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class Book {
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constructor(title, author, year) {
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this.title = title;
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this.author = author;
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this.year = year;
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}
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getSummary() {
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return `${this.title} was written by ${this.author} in ${this.year}.`;
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}
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getAge() {
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const years = new Date().getFullYear() - this.year;
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return `${this.title} is ${years} years old.`;
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}
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revise(newYear) {
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this.year = newYear;
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this.revised = true;
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}
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static topBookStore() {
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return 'Barnes & Noble';
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}
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}
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// Instantiate an Object
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const book1 = new Book('Book One', 'John Doe', 2013);
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const book2 = new Book('Book Two', 'Jane Doe', 2016);
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console.log(book1);
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console.log(book1.getSummary());
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console.log(book2.getSummary());
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console.log(book2);
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book2.revise(2018);
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console.log(book2);
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console.log(book2.getAge());
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console.log(Book.topBookStore());

‎Week3/traversy_oop_crash_course/7_subclasses.js

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class Book {
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constructor(title, author, year) {
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this.title = title;
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this.author = author;
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this.year = year;
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}
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getSummary() {
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return `${this.title} was written by ${this.author} in ${this.year}.`;
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}
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}
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class Magazine extends Book {
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constructor(title, author, year, month) {
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super(title, author, year);
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this.month = month;
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}
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updateMonth(month) {
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this.month = month;
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}
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}
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// Instantiate Magazine Object
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const mag1 = new Magazine('Mag One', 'John Doe', 2018, 'Jan');
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console.log(mag1);
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console.log(mag1.getSummary());

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