我试图通过使用我定义的特权方法更改私有成员。我创建了一个简单的类来给你我有当前问题的例子:使用私有参数作为输入访问私有方法的Javascript OOP特权方法
// Constructor
function Player(name) {
// Private
var achievements = [];
function emptyArray(emptyThisArray) {
emptyThisArray = [];
};
// Privileged
this.restartGame = function() {
this.score = 0;
emptyArray(achievements);
};
this.addAchievement = function() {
achievements[achievements.length] = "Medal " + achievements.length;
};
this.getAchievements = function() {
return achievements;
};
// Public
this.name = name;
this.score = 0;
}
// Public
Player.prototype.getName = function() {
return this.name;
};
var player1 = new Player("Ben");
player1.score = 100;
player1.addAchievement();
player1.addAchievement();
player1.getAchievements();
player1.restartGame(); // restart the game
player1.score; // returns 0
player1.getAchievements(); // return an array of two achievements: ["Medal 0", "Medal 1"] (should actually return an empty array)
当我尝试执行特权方法restartGame将比分正确地设置为零。但是,当我尝试清除私有数组(在这个例子中的成就)。专用阵列没有被清除。什么是正确的方法来做到这一点?
我被标记了正确的答案,但这是正确的,并在我回答之前发布了一分钟。 +1 – 2011-04-20 21:20:45