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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 ~I have never dared to expect too much, Looking back, Every relationship before, No matter how it started, Towards the end, I found that I was the one who gave more. This is a habit of mine. I will not owe anyone who is good to me and will be doubly good to that person. I think some people in this world are lucky to be good to me, because they could not have been so good to me, but this measure is often difficult to grasp, easy to lose themselves, and in the end it will be easy to become the person who is not treasured.6. Don't look at stocks that are not rising channels at all. No matter what happens in the future, don't accompany the main force to build a warehouse. I don't have time to spend with them.Encyclopedia叹息的同时，她也首次感叹道家族并不平静，家和万事兴，可现在……父亲这个族长不好当啊。