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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.香荽不知他为何重新说起这个，神情有些疑惑。在奥斯陆Hartvig Nissens上高中的一群年轻人的青春故事，每一季变换一个主角。* ` 3 w 'f; M\ '@　　《即使恨也爱你》讲述了从小过着波澜万丈的生活，又失去所有的一切从头开始的吉恩照意外的开出人生的花，也向我们揭示支撑我们走下去的不是血缘不是法律，而是人与人之间一点一点积累的情与爱的家族伦理剧。