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From the above command class code, we can see that any operation has an execute method to perform the operation. The above code uses traditional object-oriented programming to implement the command mode. The procedural request call of the command mode is encapsulated in the execute method of the command object. Have we found the above writing code a little cumbersome? We can do this using the callback functions in javascript, In object-oriented, The receiver of the command mode is saved as an attribute of the command object, and the command execution operation is agreed to call the command.execute method. However, if we use the callback function, then the receiver is closed in the environment where the callback function is generated, and the execution operation will be simpler. Only the callback function can be executed. Let's look at the following code:李相北上之日，闽越军大军回尽数撤回，我赵佗现在只想安居岭南……何况西边屠家那小子不安宁……由于本书网百度关键字排名不稳定，为方便下次阅读，请Ctrl+D添加书签喔，谢谢。本剧故事基于Al Ruddy在电影《教父》中从未公开的制片经历创作。在去年9月发表了真人电影化的漫画《兄友》再次发表真人日剧化，日剧依旧是此前发表的主演。强扭的瓜不甜，既然人家不愿意，那就算了，免得碍手碍脚的坏事。可惜现在已经不是防备那么简单，彭越大军突然临近，让定陶的压力不小。在结束了一段无疾而终的恋情后，善良而乐观的女青年唐印，辞去热爱的演艺工作，踏上了前往陌生岛屿的逐梦之旅，准备开展她的代购事业和新的人生，却被她昔日的闺蜜沈可可带进赌场丢了本钱。随后沈可可神秘失踪，正当唐印失落绝望时，她遇见了经营一家酒馆的美少年捡子，并险些酒后乱性，两人成了剪不断理还乱的欢喜冤家，开始了一场浪漫惊险、悲喜交加的冒险之旅，也因此深陷一场充斥着金钱、欲望甚至死亡的权力游戏。