1 var mammal =
function(spec) {
2 var that =
{};
3
4 that.get_name =
function() {
5 return spec.name;
6 };
7
8 that.says =
function() {
9 return spec.saying || ''
;
10 };
11 return that;
12 };
13
14 var myMammal =
mammal({
15 name: 'Herb'
16 });
17
18 //构造器函数Cat
19 var cat =
function(spec) {
20 spec.saying = spec.saying || 'meow'
;
21 var that =
mammal(spec);
22 that.purr =
function(n) {
23 var i, s = ''
;
24 for (i = 0; i < n; i += 1
) {
25 if (s) {
26 s += '-'
;
27 }
28 s += 'r'
;
29 }
30 return s;
31 };
32 that.get_name =
function() {
33 return that.says() + ' ' + spec.name + ' ' +
that.says();
34 };
35 return that;
36 };
37
38 var myCat =
cat({
39 name: 'Henrietta'
40 });
41 console.log(myCat.get_name());
转载于:https://www.cnblogs.com/qzsonline/archive/2012/07/13/2590211.html
