var A;
(function(name){
var instance;
A = function(name){
if(instance){
return instance
}
//赋值给私有变量
instance = this
//自身属性
this.name = name
}
}())
var A;
(function(name){
var instance;
A = function(name){
if(instance){
return instance
}
//赋值给私有变量
instance = this
//自身属性
this.name = name
}
}())
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