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  1. var Gadget = (function () {
  2.     // 静态变量/属性
  3.     var counter = 0,
  4.         NewGadget;
  5.  
  6.     //新构造函数实现
  7.     NewGadget = function () {
  8.         counter += 1;
  9.    };
  10.  
  11.     // 授权可以访问的方法
  12.     NewGadget.prototype.getLastId = function () {
  13.         return counter;
  14.     };
  15.  
  16.     // 覆盖构造函数
  17.     return NewGadget;
  18. } ()); // 立即执行
Success #stdin #stdout 0.27s 213248KB
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https://ideone.com/Hbw0m
language:
JavaScript (rhino 1.7.9)
created:
14 years ago
visibility:
public

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