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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:At that time, a super typhoon swept through the western Pacific Ocean, and it was already seven days later when the rescue ship of China's fishery administration arrived. Zhao Mucheng said that after the leader of the fishery administration ship boarded the ship, Captain Li Chengquan pulled him aside and secretly stuffed a piece of paper with a fabricated lie: Bao De and his gang fled on a raft after the attack, leaving 11 survivors.这是一部描写四个兄弟的爱情和婚姻的故事，在别人眼里他们都是出来好大学，有着好工作的男人，但是他们和很多现实中的人一样，对生活很笨拙，不知道怎么去爱父母、兄弟、朋友、恋人。有一天，缘分找到了这四个兄弟，他们开始了各自的爱情，并且从“妈妈眼里的优秀的儿子”变成了真正的成熟男人。故事发生在 1984 年的印第安纳州霍金斯镇，正值炎夏，学校放假了，镇上新开了一家购物中心，霍金斯小组成员也即将成年。情窦初开的同时，也使小组成员的动态变得更加复杂，他们必须找出一起长大的方法。与此同时，危险迫在眉睫。当小镇受到新旧敌人的威胁时，小十一和她的朋友们意识到，邪恶永远不会结束，它会一直存在。现在，他们必须团结一致才能活下来，并牢记友谊的力量永远比恐惧更强大。男主是名杀手，专业杀人；女主是名医生，专业救人。某日，因为一场阴谋，女主被男主挟持。将死之际，女主被告知与男主结婚可免一死。为了活着女主同意了，然而她不知道,真正的战争，才刚刚开始。 @沙拉特字幕组围绕着女主角盈盈，《笑傲江湖》再次爆发出热议。所以他们自己这样自称。“南瓜寿司”！