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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.在日本科学面临的各种问题的背景下，三个人的生活状态将充满悬念。仅是一出现，立刻征服了所有人。必须定期向成为使魔的威尔梅提供魔力，那个方法是进行浓厚的接吻。李敬文看着泥鳅欲言又止。}　　平凡的日子却没能持续太久，一次，头上不小心撞了个包的格鲁吉亚在检查中被诊断为不治之症，医生断言她仅仅能再活3个星期！就是如此，不愿意再庸庸碌碌过完自己仅剩得不多的几个星期，格鲁吉亚辞去了工作，取光了存款，直