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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.The quality of the new version of the equipment has been improved.张啸林在一次赛车中撞车造成领航当场身亡。张啸林退出俱乐部，一无所有之时真真来到他身边，两人关系出现扭转，终于在真真和秦若飞将要结婚之前，向真真表明爱意，留住了真真...高易明白尹旭的心思，解释道：大王，只是这诸先生隐居会稽山，已经很多年了，外人根本没有的他的讯息，想要寻访怕是很有难度。尹旭不管做什么事情都是未雨绸缪，现在越国的主力还在南方活动，对骑兵的依赖和需要一般。翻拍欧美理论电视剧，原2008年英国BBC首播，2013年美国ABC翻拍。