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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:On August 9, Li Qiang conducted a survey in China Micro Semiconductor Equipment (Shanghai) Co., Ltd. Photograph by Chen Zhengbao一旦周家和徐家被满门抄斩，全部东瓯军士气必然受到打击。当邪恶联盟的领导人威胁要摧毁一个叛军星球以获取其资源时，他的女儿别无选择，只能加入叛军一方，为正义而战。板栗边走边低声对田夫子说了一番话，是提醒他从司徒家入手，娶田遥母亲正名的事。本片以主人公关大军的生活经历为主线，讲述了几个平凡的小人物之间充满感动和励志的故事。曾经的省拳击冠军关大军在离开拳台后经营着一家烧烤店，虽然曾遭到误解与坎坷，但他始终不放弃对美好生活的追求，不仅帮助了生活困窘的女青年何丽瑜，还在亲人与好友的共同帮助下，洗刷了自己的不白之冤，继续着平凡又幸福的日子。