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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 ~王明轩和蒋新瑶上大学时爱得死去活来，他们坚信爱情至上，没有什么能分开他们。一毕业，不顾家中反对，两人千方百计想办法让父母同意他们的婚事，两家人在磕磕绊绊中仓促举行婚礼；赵亚彤和文浩，则是一场女追男没有悬念的游戏，赵亚彤轻易俘虏文浩，操持一切结婚事宜，并向妈妈拍着胸脯保证，文浩是支潜力股，保证有增值空间；富二代黎昕娶了并不喜欢的张小凡，纯粹是为了让父亲能给他钱；而毕业后打拼多年一事无成的张小凡，稀里糊涂被黎昕的花言巧语所打动，准备专心做少奶奶。一场奢华的结婚典礼，黎昕净赚五十万，和一套房子两部车，谁说结婚不挣钱。三个不是兄弟的兄弟，三个非亲姐妹的姐妹，三对80后少年夫妻，开始了先甜后苦的漫长婚姻之路。Of course, if the average trainer is not heavy, it is not a big problem to choose which shoes. However, with the improvement of results, the problem of shoes should be considered.特七一副理所应当的样子，一把抓起毛海峰再次砸在地上：我就说么。