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小姐，山阴那边送来消息，那些日子似乎发生了一些事情？范青站在美人身后远处轻声汇报。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.围观的人都看得掉一地眼珠，静了一瞬，然后掌声如雷。Black: Jiuxiong(five) to stop the suspected fraud, insurance fraud, if the circumstances are serious to report to the medical security administrative department; 玛雅是一部神秘的惊悚小说，讲述了伊卡洛和阿德里安娜之间的故事，从他们相遇的那一刻起，直到她消失，不复存在的那一天。Four hours later, she and a "difficult friend" went straight to the investigation office.