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为了对付非法在地球居住的平民百姓，成立特殊警察“AIEN HUNTER”用武力强行驱逐或干脆实行杀戮。"Either kill or be killed."由《飞跃奇蹟》导演戴克斯特佛莱契执导，《火箭人》是叙述英国国宝级歌手艾尔顿强爵士的故事，如何从英国皇家音乐学院的奇才，变成了流行音乐界的天王，当今乐坛的传奇人物。片名取自艾尔顿强经典名曲〈ROCKETMAN〉，泰隆艾格顿挑战华丽多变、大胆前卫的舞台造型，以及一边弹钢琴一边大展爆发力的歌喉，唱出一首首观众耳熟能详的动人歌曲，绝对是不能错过的音乐奇想电影。仇弟成功盗取胶卷，却也招来敌人的疯狂报复。郭天明被绑架，组织查出胶卷拍摄的是日本细菌实验的数据，日方却以郭天明作为交换胶卷的筹码。面对两难境地，仇弟勇闯虎穴，给敌人沉重打击。向左走向右走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: