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Let's assume that the three teams are team A, B and CFrom 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:孤儿钟馗从小立志成为一名捉妖师，却遭到村民们的耻笑羞辱，不得不放弃梦想。长大后的钟馗自称“捉妖大师”，和忽男忽女的鲛人小鱼、憨憨傻傻的人参精欢喜组成“捉妖小分队”，通过装神弄鬼骗钱谋生。"What happened later?" I knew the story was far from over, so I couldn't wait to ask him.承接上一季，绰号盲侠的瞎子律师文申侠，联同丑女师爷赵正妹、跛子私家侦探谷一夏，结成铁三角，以四感剖开人性，以心眼看清真相，继续为弱势平权，岂料一个叫邵美娜的女盲侠突然出现，周旋在申侠和一夏之间，令铁三角组合面临瓦解，美娜更牵引出一段申侠不为人知的过往，而且在她背后，一直有人在幕后操控，就是盲侠的师父简绍宏…百合（王梓桐 饰）是一个十九岁的单亲妈妈，面对记者的摄像机，她丝毫没有半点紧张的神情，从容地回答着提问。几年前，她打工来到深圳皇岗口岸，结识了一名香港货运司机，不久与其同居，待怀孕临产时，那个男人不见了，她最终也没找到他。百合靠做蛋糕的手艺艰难生存，可老板因怕她把孩子生在蛋糕店而辞退了她。孩子出生后，她欠下老乡很多钱，尤为胡金玲（赵雅琪 饰）最多，不幸的是孩子患有先天性心脏病，手术费需十万元，可根本筹不到这么多钱，她甚至把孩子扔进医院逃跑，把负担扔给社会，伹最终并未得逞。万般无奈的百合想“典当”自己给暴发户，以获取救孩子的钱，还是没有成功。最后，她想到了卖自已的器官......