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Finally, let's do some testing work: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 ~　　金炳哲饰演大马集团的核心干部郑北东，他被称为“带着电脑的推土机”，具备耐心和观察力。他成为千里马超市的新店长，投入复兴超市的热血战场。他是一个风风火火，直来直往，非常自信且不屈不挠，有着极高自尊心的男人。虽然经常被说看上去像个醉汉，但其实是中年男人一枝花。陈启的名望，更是到了一个不可思议的地步。对帮助越国一事上，李斯和尉缭可能追求相对差那么一点，报仇和子夜的幸福是首要的，至于越国能不能一统天下，或许并不是那么在意吧，当然要是能这样自然是最好不过。本剧描写三毛乞求到大上海后的坎坷命运和遭遇，同时表现了三毛不断寻找幸福的辛酸、无奈、幽默的流浪经历。在解放前的上海，流浪儿童三毛无家可归，衣食无着。为了生存，他卖过报，拾过烟头，帮别人推黄包车，但总是受人欺侮，只有与他命运相同的流浪儿关心他，给他温暖。后来，他被流氓爷叔骗去干偷窃行当，好心的三毛不肯，逃了出来。不久，他又被一个有钱而不能生育的贵妇人收为养子。三毛过不惯有钱人家的虚伪、腐朽的生活，在贵妇人为他举行鸡尾酒会时，纠合一群流浪儿伙伴，扰乱了酒会。然后，三毛脱下华丽的衣服，披上麻袋片，又回到流浪儿队伍中来。上海解放了，三毛兴高采烈地迎接新生活的到来。