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说起来也真是奇怪，郦食其一头雾水，汉王只是交代道谢，可是为何道谢却只字不提。每一道剑光都是凌厉异常、直指要害。X=random (1, 6)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 ~这几年在刘邦身上投资不少。秦淼不安，轻声道：葫芦哥哥，你莫要听她吹，你和板栗哥哥明年准能考中。　　小白和周自横的儿子大鹏(