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Singleton mode: It solves the problem of the number of instantiated objects, such as factories and object pools in abstract factories. Except Singleton, other creative modes solve the coupling relationship brought by new.广告公司女继承人沈傲男在父亲重病之时为可以继续跆拳道梦想，在父亲的嘱托中接手广告公司，却遭遇重大信任危机；在不打不相识的下属云舒的帮助下，查明真相，最终收获事业与爱情的故事。他们好不容易搞到一辆车，为了逃到安全地带，这几个幸存者踏上充满凶险的求生之旅……(4) Article 28 and Article 29 of the Illegal Act occurs again within 1 year after 6 months;Code as above; You can see, There are obvious shortcomings, For example, when I click on an element, I need to create a div. I click on the second element to create a div again, We frequently click on such and such elements, and they will frequently create div elements. Although we can remove pop-up codes when we click Close, it is not good for us to frequently create and delete them, especially for performance, and frequent operations on DOM will cause redrawing, etc., thus affecting performance. Therefore, this is a very bad habit. We can now use the monomer mode to realize the pop-up effect. We can instantiate it only once. The following code:Make a template and define the calling order and method in the template. Different subclasses implement methods with their own characteristics, and then access the calling methods of subclasses when accessing externally.林思明是玩真的？这么恶意的溢价挖启明的作者，明摆着就是要弄垮启明。