看了一个源码，发现是这样写的，不知道用意是什么，感觉是废话{_objects:[],add:function(){this._objects.push.apply(this._objects,arguments);....returnthis;}}
{_objects:[],add:function(){this._objects.push.apply(this._objects,arguments);....returnthis;}}
_objects:[],add:function(){this._objects.push.apply(this._objects,arguments);....returnthis;}}
add:function(){this._objects.push.apply(this._objects,arguments);....returnthis;}}
this._objects.push.apply(this._objects,arguments);....returnthis;}}
....returnthis;}}
returnthis;}}
}}
}
GCT1015
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