简单的装饰模式
<!DOCTYPE html> <html> <head> <title></title> </head> <body> <script> function Macbook(){ this.cost = function(){ return 1000 }; }; function Memory(macbook){ this.cost = function(){ return macbook.cost() + 75; }; }; function BlurayDrive(){ this.cost = function(){ return macbook.cost() + 300; }; }; var myMacbook = new BlurayDrive( new Memory( new Macbook() ) ); console.log( myMacbook.cost() ) </script> </body> </html>抄自tom大叔的博客。热门那边就有了，去学习吧
转载于:https://www.cnblogs.com/diligenceday/p/3429760.html
