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Responsibility chain mode-A request needs multiple objects to process, thus avoiding the coupling relationship between the sender and receiver of the request. Connect these objects into a chain and pass the request along this chain until an object processes it. The specific structure diagram is as follows:The above code: We use a parameter FN to pass it in, and if there is an instance of result, we will return it directly. Otherwise, the current getInstance function calls FN, and this pointer points to this FN function. After that, the return is saved in the result. Now we can pass a function in, whether it is to create div or iframe. In short, if this is the case, we can use getInstance to get their instance objects.咱们一定不能让她说出对玉米不利的话。皇帝被囚、宫廷内乱，明枪暗箭 一番龙争虎斗。一对情侣之间的磨合过程，究竟他们能否一起走向婚姻殿堂？　　四女儿长得不好看，姐姐们一个个都是大美人，名字也很漂亮，但是她连名字都很老土，但是并不自卑，是个本剧第三季率先于2017年5月5日在西班牙巴塞罗那Liceu大剧场试映，官方宣布将于5月15日首播。 
　　Julián的扮演者因个人原因将缺席第三季，Pacino将代替Julián成为三人小分队的一员，Amelia、Alonso和Pacino将面临新的任务。 
　　而在前两季中出现的Lope de Vega、Cervantes等重要历史人物，也将重新登场。