访问JavaScript中__defineGetter __ / __ defineSetter__隐藏的属性

innerHTML

$(\'body\')[0].__defineSetter__(\"innerHTML\",
  function (val) {
    alert(\"Setting to: \" + val);
    this.innerHTML = val;
});

var innerHTMLdescriptor = Object.getOwnPropertyDescriptor(Element.prototype, \'innerHTML\');
Object.defineProperty(Element.prototype, \'innerHTML\',
  { set: function(htmlVal) {
      var safeHTML = toStaticHTML(htmlVal);
      innerHTMLdescriptor.set.call(this, safeHTML);
    }
});

getOwnPropertyDescriptor

innerHTML

__defineGetter__/defineProperty

var _innerHTML = \"\";

this.__defineSetter__( \"innerHTML\",
    function (val) {
        alert(\"Setting to: \" + val);
        _innerHTML = val;
    } );

this.__defineGetter__( \"innerHTML\",
    function () {
        return _innerHTML;
    } );

innerHTML