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For example, if we want to implement a JS function, Such as form validation, Then if we don't use the policy pattern in javascript described in the previous chapter to solve the form validation encapsulation code, It is a temporary form validation function written by itself. Certainly without any encapsulation, Then at this time, we will pop up a prompt to the user for whether the two values are equal. If there is a form verification on another page, their judgment method and business logic are basically the same, but the comparison parameters are different. Should we consider writing a form verification code again? So now we can consider using the template method pattern to solve this problem. Common methods are extracted, and different methods are implemented by specific subclasses. This design code also has the advantages of stronger scalability and better code ~　　海燕有一个顽劣不堪的同班同学阿郎，经常作弄海燕。其实阿郎身The key difference lies in how deeply we understand a dynamic system so as to establish an optimized control process. What is the optimization process (repetition and monitoring) that enables the system to achieve a high level of control performance?Public void action () {Ctrl + K: hyperlink　　经过一个训练期的接触，哈金斯坚定的信心感染了球队里的每一个人，这支五名黑人先发的球队一路披荆斩棘，直指决赛，最后在马里兰大学著名的Cole Field Ho“星空娱乐”是中国顶尖的娱乐公司。老板陈天浩与杜婉晴曾经是恩爱夫妻，现在却因为对公司经营理念的不同，陷入婚姻危机。热爱音乐的杨真真（吴倩饰）进入“星空娱乐”工作，成为当红歌手郑柏旭（黄子韬饰）的助理。郑柏旭是一名偶像派歌手，性格狂傲不羁，难以驾驭。杨真真在与郑柏旭的相处中逐渐了解他，帮助他改正缺点，发展特长，最终成为具备真正实力的歌手。杨真真自己也从一个职场菜鸟转变为一名成熟的经纪人。杜婉晴着手培养新人俞子睿（牛骏峰饰），俞子睿与生俱来的音乐天赋给郑柏旭形成了巨大的压力，同时也成为他不断进取的动力。几个热爱音乐的年轻人在青春的道路上互相鼓励、突破极限，寻找着属于自己的人生方向。在经历了重重困难与挑战后，最终都迎来了事业和情感的收获 。