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For example, I now need to create a div element on the page. Then we definitely need a function to create the div, Now all I need is this function, which is only responsible for creating div elements. It doesn't want to take care of the rest, That is, to realize the principle of single responsibility, Just like Kissy on Taobao, At the beginning, they defined Kissy to do only one thing and did it well. The specific instantiation class in the monomer mode was handled by the agent function. The advantage of doing so was that the specific business logic was separated. The agent only cared about the business logic of the agent. Here, the function of the agent was to instantiate the object and instantiate it only once. Create div code just create div, the others don't care; The following code:听过这个名字的人多，但是真正购买了，看过《白发魔女传》的人其实没有多少，毕竟一期《武侠世界》在燕京的发行量也就是十几万册，全国发行量不到一百万册，相对于全国十几亿人口还是杯水车薪。故事描述一个爱尔兰女人（Sharon Horgan）与一个美国男人（Rob Delaney）在英国伦敦相遇并相爱，但对文化差异巨大的两人来说，在一起生活并非易事。盘子里装的是糯米糖糕，白皙软糯的糍糕面上撒着一层细密的黑芝麻粒儿，闻着甚是香甜。讲述海军中一群海豹突击队精英的训练﹑计划，以及如何执行各种高危高风险的任务。　　《窈窕淑女》主要讲述了夏敏津由视金钱为万能的拜金女转变为明白爱情真谛的女孩。她这样的转变要归功于心地纯洁的永皓。永皓在经历了失去郁萱的痛苦之后，读完学位就回家帮助母亲经营年糕店，过着与世无争的平淡生活。直到与夏敏津不期而遇，触动了他内