forked from LaunchCodeEducation/javascript-projects
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathClassExercises.js
More file actions
47 lines (43 loc) · 1.52 KB
/
Copy pathClassExercises.js
File metadata and controls
47 lines (43 loc) · 1.52 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
// Define your Book class here:
class Book {
constructor(title, author, copyrightDate, isbn, pages, timesCheckedOut, discarded){
this.title = title;
this.author = author;
this.copyrightDate = copyrightDate;
this.isbn = isbn;
this.pages = pages;
this.timesCheckedOut = timesCheckedOut;
this.discarded = discarded;
}
checkout(uses = 1){
this.timesCheckedOut += uses;
}
}
// Define your Manual and Novel classes here:
class Manual extends Book{
constructor(title, author, copyrightDate, isbn, pages, timesCheckedOut, discarded){
super(title, author, copyrightDate, isbn, pages, timesCheckedOut, discarded);
}
discard(){
if(this.copyrightDate >= 5){
this.discarded = 'Yes';
}
}
}
class Novel extends Book{
constructor(title, author, copyrightDate, isbn, pages, timesCheckedOut, discarded){
super(title, author, copyrightDate, isbn, pages, timesCheckedOut, discarded);
}
discard(){
if (this.timesCheckedOut > 100){
this.discarded = 'Yes';
}
}
}
// Declare the objects for exercises 2 and 3 here:
let prideAndPrejudice = new Novel('Pride and Prejudice', 'Jane Austen', 1813, 1111111111111, 432, 32, 'No');
let shuttleBuild = new Manual('Top Secret Shuttle Building Manual', 'Redacted', 2013, '0000000000000', 1147, 1, 'No');
// Code exercises 4 & 5 here:
shuttleBuild.discard();
prideAndPrejudice.checkout(5);
console.log(Book, Novel, Manual, prideAndPrejudice, shuttleBuild);