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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 ~For example, the company's year-end bonus is assessed according to the employee's salary and performance. For those with performance A, the year-end bonus is 4 times the salary, for those with performance B, the year-end bonus is 3 times the salary, and for those with performance C, the year-end bonus is 2 times the salary. Now we use the general coding method to write the code as follows:他都替原来的陈启感到不值。Once so in love with each other, now only disgust remains. At the time of divorce, the ground was covered with torn cheeks, ugly and rude.　　《蔗糖女王》该剧根据Natalie Baszile的同名小说改编。故事描述充满活力的Charley离开洛杉矶的上流生活（她是一名NBA篮球明星的妻子兼经纪人），到路易斯安那州圣约瑟芬继承父亲留下的遗产——一座占地面积800英亩的甘蔗农场。对她和青春期的孩子来说，全新的生活环境和生活方式令他们一时难以适应，而且从零开始重建农场也绝非易事。有人好奇，有人厌恶，有人包容，有人试图传递爱意，但她最终明白这才是她需要并喜爱的生活。同时彼此还结为了儿女亲家，也算是政治联盟，这对此时的刘邦而言绝对是非同一般。“星空娱乐”是中国顶尖的娱乐公司。老板陈天浩与杜婉晴曾经是恩爱夫妻，现在却因为对公司经营理念的不同，陷入婚姻危机。热爱音乐的杨真真（吴倩饰）进入“星空娱乐”工作，成为当红歌手郑柏旭（黄子韬饰）的助理。郑柏旭是一名偶像派歌手，性格狂傲不羁，难以驾驭。杨真真在与郑柏旭的相处中逐渐了解他，帮助他改正缺点，发展特长，最终成为具备真正实力的歌手。杨真真自己也从一个职场菜鸟转变为一名成熟的经纪人。杜婉晴着手培养新人俞子睿（牛骏峰饰），俞子睿与生俱来的音乐天赋给郑柏旭形成了巨大的压力，同时也成为他不断进取的动力。几个热爱音乐的年轻人在青春的道路上互相鼓励、突破极限，寻找着属于自己的人生方向。在经历了重重困难与挑战后，最终都迎来了事业和情感的收获 。