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();
