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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 ~珠光璀璨《太阳的后裔》以美丽的南国风光为背景展开，是一部通过处在陌生且极其恶劣环境中渴望爱情和成功的年轻军人和医生的生活来展现生活意义的大片级治愈系罗曼史。讲述了特战部队海外派兵组组长刘时镇（宋仲基 饰）和外科医生姜暮烟（宋慧乔 饰）在韩国和派兵地区之间往返相爱的故事。我回去会把一切情况都弄清楚的。花样滑冰选手娜迪亚和曲棍球选手萨沙结婚了，最重要的是，他们梦想有个孩子。然而，他们将要为这个梦想付出的代价是难以想象的高他们好不容易才逃了出来。