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"When people have nothing to do, they will think about it. When they don't understand it, they will let it go. When they have nothing to do, they will think about it again. The whole life will pass."The biggest difference between men and women when divorcing is that some men want company shares most, while women want custody of their children.我请你们一起去吃点甜点。A memo object is an object that stores a snapshot of the internal state of another object. The purpose of memo mode is to capture, externalize and store the state of an object without destroying the encapsulation, so that the object can be restored to the stored state at an appropriate time in the future.What is NBA: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:Pirce explained that this means that most enterprises will rely more on the support provided by service providers and management security service providers.