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
|
///////////////////////////////////////////////////////
function Square(x)
{
this.x = x;
}
new Square(0); // create prototype
function Square_area() { return this.x * this.x; }
Square.prototype.area = Square_area;
var s = new Square(3);
shouldBe("s.area()", "9");
///////////////////////////////////////////////////////
function Item(name){
this.name = name;
}
function Book(name, author){
this.base = Item; // set Item constructor as method of Book object
this.base(name); // set the value of name property
this.author = author;
}
Book.prototype = new Item;
var b = new Book("a book", "Fred"); // create object instance
//edebug(e"b.name"));
shouldBe("b.name", "'a book'");
shouldBe("b.author", "'Fred'"); // outpus "Fred"
///////////////////////////////////////////////////////
shouldBe("delete Boolean.prototype", "false");
|
