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Copy pathClassExercises.js
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88 lines (79 loc) · 1.4 KB
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class Book {
constructor(
title,
author,
copyright,
isbn,
pages,
timesCheckedOut,
discarded
) {
this.title = title;
this.author = author;
this.copyright = copyright;
this.isbn = isbn;
this.pages = pages;
this.timesCheckedOut = timesCheckedOut;
this.discarded = discarded;
}
checkout(uses = 1) {
this.timesCheckedOut += uses;
}
}
class Manual extends Book {
constructor(
title,
author,
copyright,
isbn,
pages,
timesCheckedOut,
discarded
) {
super(title, author, copyright, isbn, pages, timesCheckedOut, discarded);
}
dispose(currentYear) {
if (currentYear - this.copyright > 5) {
this.discarded = "Yes";
}
}
}
class Novel extends Book {
constructor(
title,
author,
copyright,
isbn,
pages,
timesCheckedOut,
discarded
) {
super(title, author, copyright, isbn, pages, timesCheckedOut, discarded);
}
dispose() {
if (this.timesCheckedOut > 100) {
this.discarded = "Yes";
}
}
}
let prideAndPrejudice = new Novel(
"Pride and Prejudice",
"Jane Austen",
1813,
1111111111111,
432,
"No"
);
let makingTheShip = new Manual(
"Top Secret Shuttle Building Manual",
"Redacted",
2013,
"0000000000000",
1147,
1,
"No"
);
prideAndPrejudice.checkout(5);
makingTheShip.dispose(2024);
console.log(prideAndPrejudice);
console.log(makingTheShip);