1
function SuperType() {
2
this.property =
true;
3 }
4
5 SuperType.prototype.getSuperValue =
function() {
6
return
this.property;
7 };
8
9
function SubType() {
10
this.subproperty =
false;
11 }
12
13
//
继承了 SuperType
14 SubType.prototype =
new SuperType();
15
16 SubType.prototype.getSuperValue =
function() {
17
return
this.subproperty;
18 };
19
20
var instance =
new SubType();
21 console.log(instance.getSuperValue());
22
23 console.log(instance
instanceof Object);
24 console.log(instance
instanceof SuperType);
25 console.log(instance
instanceof SubType);
26
27 console.log(Object.prototype.isPrototypeOf(instance));
28 console.log(SuperType.prototype.isPrototypeOf(instance));
29 console.log(SubType.prototype.isPrototypeOf(instance));
转载于:https://www.cnblogs.com/qzsonline/archive/2012/04/26/2470893.html
