// 报错的代码
LDisplayObjectContainer.prototype._dispatchEventRemovedFromStage = function () {
var s = this, i, l;
if (!s.dispatchEvent) {
return;
}
s.dispatchEvent(LEvent.REMOVED_FROM_STAGE);
for (i = 0, l = s.childList.length; i < l; i++) {
s.childList._dispatchEventRemovedFromStage();
}
};