在JavaScript中实现单例的最简单/最简单的方法? [英] Simplest/Cleanest way to implement singleton in JavaScript?
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问题描述
解决方案
我认为最简单的方法是声明一个简单的对象文字:
var myInstance = {
method1:function(){
//。 ...
},
method2:function(){
// ...
}
};
如果您想要在单例实例上使用私人成员,可以执行以下操作:
var myInstance =(function(){
var privateVar ='';
function privateMethod {
// ...
}
return {// public interface
publicMethod1:function(){
//所有私人成员都可访问这里
},
publicMethod2:function(){
}
};
})();
这被称为模块模式 ,它基本上允许您将私有成员封装在对象上,使用关闭。
What is the simplest/cleanest way to implement singleton pattern in JavaScript?
解决方案
I think the easiest way is to declare a simple object literal:
var myInstance = {
method1: function () {
// ...
},
method2: function () {
// ...
}
};
If you want private members on your singleton instance, you can do something like this:
var myInstance = (function() {
var privateVar = '';
function privateMethod () {
// ...
}
return { // public interface
publicMethod1: function () {
// all private members are accesible here
},
publicMethod2: function () {
}
};
})();
This is has been called the module pattern, it basically allows you to encapsulate private members on an object, by taking advantage of the use of closures.
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