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元帅，楚军着实冲杀的太过厉害，您暂且避开回营吧。赵锋可不管什么规矩礼数，直闯过去拦住马车，说有话问郡主，气得香云骂他真是莽牛。八个恐怖的韩国都市传说，叙述了在不同人身上所遇到的恐怖且离奇的事情。Civilian casualties: 6,493,000From 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:Summary