jQuery 构造函数 

 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();

 

posted @ 2018-10-16 18:59  johnhery  阅读(241)  评论(0)    收藏  举报