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大苞谷听他终于承认了，跳起来骂道：王八蛋。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 ~相比武界出版社开出的千字七八千的价格，要少上很多。The picture shows a 500 yen locker.First of all, let's take a look at the timetable required for each station of Nagoya subway.2017-07-14 17:45:005. After checking the help, click Select Airport, and then click Start Flight.