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
48
49
50
51
52
53
54
55
56
|
<!doctype html>
<title>Object.prototype.getOwnPropertyNames</title>
<link rel=help href=http://es5.github.io/#x15.2.3.4>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<div id=log></div>
<script>
test(function () {
var obj = {0: 'a', 1: 'b', 2: 'c'};
assert_array_equals(
Object.getOwnPropertyNames(obj).sort(),
['0', '1', '2']
);
}, "object");
test(function () {
var arr = ['a', 'b', 'c'];
assert_array_equals(
Object.getOwnPropertyNames(arr).sort(),
['0', '1', '2', 'length']
);
}, "array-like");
test(function () {
var obj = Object.create({}, {
getFoo: {
value: function() { return this.foo; },
enumerable: false
}
});
obj.foo = 1;
assert_array_equals(
Object.getOwnPropertyNames(obj).sort(),
['foo', 'getFoo']
);
}, "non-enumerable property");
test(function() {
function ParentClass() {}
ParentClass.prototype.inheritedMethod = function() {};
function ChildClass() {
this.prop = 5;
this.method = function() {};
}
ChildClass.prototype = new ParentClass;
ChildClass.prototype.prototypeMethod = function() {};
var obj = new ChildClass;
assert_array_equals(
Object.getOwnPropertyNames(obj).sort(),
['method', 'prop']
);
}, 'items on the prototype chain are not listed');
</script>
|
