1 <!DOCTYPE html>
2 <html>
3 <head>
4 <meta charset="utf-8">
5 <meta name="viewport" content="width=device-width">
6 <title>jQuery 构造函数</title>
7 </head>
8 <body>
9
10 </body>
11 </html>
1 function AAA(){}
2
3 AAA.prototype.name='john';
4 AAA.prototype.say=function(){
5 console.log('hello');
6 }
7
8 var a1 = new AAA();
9 a1.say();
10
11
12 function jQuery(){
13 return new jQuery.prototype.init();
14 }
15
16 jQuery.prototype.init= function(){
17 console.log('init()');
18 }
19
20 jQuery.prototype.init.prototype = jQuery.prototype;
21 jQuery.prototype.css=function(){
22 console.log('css()');
23 }
24
25 jQuery().css();
