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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 ~3.12一家由自称无所不知的巫师提供各种服务的店家引起了一名顽强刑警的注意。两军交战很是迅速，迅速拼杀在一起，尽管九江郡的战斗力和战斗意识都非常不错，但毕竟双方人数的巨大反差摆在这里，根本不是楚军的对手，瞬间就被冲杀的一团混乱。该剧讲述了大清第一才女年姝媛与四阿哥以及太子胤礽三人之间爱恨纠葛的情感故事。《笑傲江湖》游戏的世界观基于原著武侠，游戏中的剧情任务、个个细节，都是经过精心打磨，绝对会让玩家仿佛置身于一个武侠世界。几十年来，科学家们一直在推测木卫二可能是除地球之外，太阳系中唯一一个有大量液态水存在的地方。因为木卫二的表面照片与地球海洋上的冰的照片相似，冰壳上布满了各种陨石撞击留下的坑坑洼洼，不少科学家推测，在木卫二的冰壳之下或许有着太阳系中最大的液态水海洋，海洋下面可能存在着有单细胞生命。而这一“生命可能”的理论正是电影《欧罗巴报告》的核心。