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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:File://: file data format, followed by file path.Starz宣布开发Stephanie Danler所著的2006年畅销小说《苦甜曼哈顿 Sweetbitter》的剧集版，该半小时剧集版讲述22岁的Tess抵达纽约市后不久在一间名餐厅工作，然后她迅速被卷入这包括毒品﹑酒﹑爱情﹑欲望﹑酒吧﹑美食等的地方。她得学会应付诱惑，面对自己蹒跚的生活。《傀儡花》。台湾史小说。描述一八六七年台湾恒春半岛的故事，故事中的事件史有明文，人物则有九成是确有其人。傀儡花指的是女主角潘蝶妹，为客家人父亲和嘉礼番公主的混血女儿，但因传言讹误，误读为傀儡番，才被称为傀儡花。公视将拍连续剧（时代历史剧）……Yu Chen: It's incredible.Explosive wounds% Total 170%