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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 ~Interpreter mode is our last talk for the time being. It is generally mainly used in compiler development in OOP development, so its application scope is relatively narrow.郑氏笑道：你们这可来的巧了。我那时候还觉得青木菊花多事：如今又不穷了，干啥让娃儿受累？这么看来，我还错了哩。　　故事讲述男主角是孤儿出身的检察官，因意外失去记忆然后跟地痞流氓生活在了一起，而女主人公是黑社会老大的女儿，以釜山海云台为背景发生各种冲突横冲直撞的浪漫喜剧。金康宇在新剧中饰演精英检察官李泰成，他为了逮捕犯人潜藏身份卧底前往釜山调查，后来因失忆和海云台黑道打成一片。因新剧以釜山海云台展开，而大部分场景将在海云台拍摄。