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Code as above; Write three functions of order500, order200 and orderNormal respectively, and process their own business logic in the functions respectively. If their own functions cannot be processed, they will return the string nextSuccessor to pass it back, then encapsulate the constructor Chain, pass an object fn into it, and have their own attribute Successor. There are two methods setNextSuccessor and passRequest on the prototype. The method setNextSuccessor specifies the order of nodes in the responsibility chain, and saves the corresponding method to the attribute this.Successor, chainOrder500. SetNextSuccessor (chainOrder200); ChainOrder200. SetNextSuccessor (chainOrderNormal); Specifies the order in the chain, so this.Successor references the order200 method and the orderNormal method, so if chainOrder500.passRequest (1, true, 500) is called for the first time, the order500 method is called, output directly, and chainOrder500.passRequ is called for the second time.　　失去了唯一的儿子，阿秋在悲愤之中陷入了绝望，他得知赵中天即将带着东东前往美国，他们可能再也无法相见，情急之下，阿秋将一所小学里的学生们当做人质，希望能够借此夺回东东。卓立人（赵文卓 饰）是身手了得的保安，祁红（黎姿 饰）是经验丰富的记者，在他们的帮助下，阿秋能否实现自己的愿望呢？长河，快点……走了几步，又想起什么来，对刘三顺道：三顺，你去叫你丈人一声。自己是骑快马抄近道来的，不可能更快啊？尹旭哪料到自己随口一句话，把大汉朝的萧丞相吓得不轻，见萧何表情有意，不禁愕然道：怎么？萧先生不舒服吗？萧何尴尬一笑：没事，在下奉沛公之命前来，有军情告知两位。Select the appropriate system.　　可是有一天，tiansee发现自己爸爸当年在男主妈公司工作，因为贪污被解雇了，但她相信爸爸没做过，结果一查，发现原来是爸爸知道了 男主妈和gina爸 合伙开公司帮毒贩洗钱的事 才被陷害的。女主气吐了，下定决心要毁了男主全家。