欧美自拍在线国产

Intelligence +50The first scheme is to use the general coding method to realize the preloading technology of the picture. First, create the imgNode element, Then when the method myImage.setSrc is called, a preloaded picture is given to the picture first, and when the picture is loaded, the img element is assigned a value. The second scheme is implemented by using proxy mode. MyImage function is only responsible for creating img elements, proxy function ProxyImage is responsible for setting loading pictures for the picture, and when the picture is really loaded, myImage.setSrc method in myImage is called to set the path of the picture. The advantages and disadvantages between them are as follows:　　演艺界的乒乓球高手姜虎东和殷志源最先宣布出击。据悉，姜虎东是已经在多个节目中证明了实力的乒乓球高手，他本人也对乒乓球拥有自豪感和兴趣。[Collection Value]When Tony flew to the entrance of the cave with the bomb in his arms, Stephen's anger replaced sadness, but at the same time he was afraid to let go. He looked at the future and knew Tony would not die. In fact, as he saw, he was extremely angry.…,一直默默不语的西楚霸王项羽发话了：算了，越国虽然强大，虽然威胁，我们正视就好了，绝对不可能盲目在江东再起战端。After understanding the history and classification of design patterns, how should we learn design patterns? Before learning the design pattern, readers must establish a kind of consciousness, that is, the design pattern is not only a method and technology, but also an idea and a methodology. It has nothing to do with the specific language. The main purpose of learning design patterns is to establish object-oriented ideas, program to the interface as much as possible, with low coupling and high cohesion, so that the programs you design can be reused as much as possible. "Specious. Learning design patterns can better understand object-oriented ideas. Design patterns are some design skills and tricks. Don't rise to ideas and methodologies, okay?"