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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 ~这是一部爆笑青春校园情景喜剧，讲述一群大学生的犯二故事。该剧深挖校园生活中各种囧事趣事，带来各种不同的笑点，具有鲜明的网络特征，喜感十足，带你感受颠覆三观的全新大学生活。焦灼彷徨中，耳边响起娘的声音：我张家。脑外科高级医生程至美（吴启华 饰）与妻子（梁婉静 饰）离婚，竟同事Jackie（蔡少芬 饰）误会至美用情不专。经过一番了解后，才清楚对方的为人，此时情愫也暗生了。怎料Jackie发现自己患上脑肿瘤……聪明可爱的小谢耳朵和他的家人、朋友们回归。这季中，小谢尔顿从高中毕业即将进入大学生活！平凡女子谢小满阴差阳错之下得罪了吴江府有名的巨鹿郡王赵孝谦，又因他人设局与赵孝谦结下契约婚书，被迫嫁入郡王府。一纸契约让两人生活交织，从开始的欢喜冤家到逐渐相知相守，赵孝谦与谢小满携手历经坎坷，冲破重重阻碍，最终收获了一段浪漫的爱情。山庄内的护卫见到他们很是奇怪，想要上去拦截，却看到是大小姐的人和范紫大管事。