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众人轰然大笑起来，张老太太笑得直抹眼泪。Make Joint Efforts to Eliminate Binjiang Cancer见她津津有味地嚼着麻花，吃得分外香甜，不觉口齿生津，忍不住伸手到纸包里掏了一根出来，想要尝尝。Today's problem mainly involves several: objects, triggering events, capturing events, executing processing, and blistering. This is actually the whole process of JS execution. The process of bubbling is very interesting. In fact, it is like a glass of water, but this glass of water is hierarchical, and the bottom is the object of the current trigger event. Then the higher the range, the larger the range. The top layer must be window and the penultimate layer must be document. In the process of floating up, the bubble will judge whether the layer currently reached has a binding event handling method. If there is any, the corresponding processing is executed. If not, it will continue to blister. Until you reach the top window window layer. We can do corresponding processing at any layer to prevent the event from continuing to bubble. The method is the method that calls the event object to prevent blistering. Event.stopPropagation (); The following is a process method written to verify JS event blistering.Men's and women's tennis was listed as a competition event in the first Olympic Games in 1896 and the second Olympic Games in 1900 respectively. However, it was cancelled for various reasons and returned to the Olympic family in the 24th Olympic Games in 1988.