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是否有更简单的方法在JavaScript中编写Object.defineProperty_Javascript_Node.js - Fatal编程技术网

是否有更简单的方法在JavaScript中编写Object.defineProperty

是否有更简单的方法在JavaScript中编写Object.defineProperty,javascript,node.js,Javascript,Node.js,我有一个代码如下, 是否有更简单的方法在JavaScript中编写Object.defineProperty Object.defineProperty(window, "world", { set: function(w) { return w(); } }); 谢谢 试试这个: Object.defineProperties(window, { propertyOne: { get: function(){ }, se

我有一个代码如下, 是否有更简单的方法在JavaScript中编写Object.defineProperty

Object.defineProperty(window, "world",
{
  set: function(w)
  {
    return w();
  }
});
谢谢

试试这个:

Object.defineProperties(window, {
    propertyOne:    {
        get:    function(){ },
        set:    function(i){ ... }
    },

    propertyTwo:    {
        get:    function(){ },
        set:    function(i){ ... }
    },

    propertyThree:  {
        get:    function(){ },
        set:    function(i){ ... }
    }
});
相当于:

Object.defineProperty(window, "propertyOne", {
    get:    function(){ },
    set:    function(i){ ... }
});
Object.defineProperty(window, "propertyTwo", {
    get:    function(){ },
    set:    function(i){ ... }
});
Object.defineProperty(window, "propertyThree", {
    get:    function(){ },
    set:    function(i){ ... }
});
将函数分配给对象文字时(例如设置JavaScript函数的原型时),也可以使用get/set关键字:


如果你经常这样做,你可以编写一个函数来返回这个函数。这到底有什么不简单的呢?非常感谢!也许你知道我有麻烦的原因吗?
var Example =   function(element){
    this.element    =   element;
};

Example.prototype   =   {
    get colour(){ return this.element.style.backgroundColor; },
    set colour(i){ this.element.style.backgroundColor = i;  }
}