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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 ~　　花与德几经波折，共赴患难后终情愫渐生，惜此时德因营救反清义士而被补下狱，身陷险境……He is a powerful actor with a box office of 1.9 billion yuan. He is also a low-key and hard-working screen cheetah. He is OPPO Star Partner @ Zheng Kai.For example, if the value of the master-down-after-milliseconds option is 30,000 milliseconds (30 seconds), then as long as the server can那马往前窜出老大一截，田遥使劲控住马。秦淼再不像第一日那样嫌弃这苞谷饭，每一粒都当宝贝一样。通过派出所自筹资金，不远万里抓捕杀害治保主任凶犯的感人故事，展示了基层干警一心为民的赤子之心。