調用私有方法

Question

我跟隨此blog和玩代碼。

function MyClass() { 
    var self = this; 
    var privateVar = 'My Private Variable'; 
    this.publicVar = 'My Public Variable'; 
    var privateFunction = function() { 
    self.publicVar += ' Modified By A Private Fucntion'; 
    alert(self.publicVar); 
    }; 
    privateFunction(); //1: why this code not working. kindly give the reason for this. 
} 

我該如何撥打privateFunction？ 我在尋找的輸出//「我的私有變量通過私有函數修改」

Answer 1

此代碼應該有效。很可能你沒有在任何地方實例化MyClass。

function MyClass() { 
var self = this; 
var privateVar = 'My Private Variable'; 
this.publicVar = 'My Public Variable'; 
var privateFunction = function() { 
    self.publicVar += ' Modified By A Private Fucntion'; 
    alert(self.publicVar); 
}; 
privateFunction(); // why this code not working.. 
}; 
new MyClass(); //Run MyClass, triggering all code.