一级理论和二级理论的区别

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.原以为这事完了，谁知后来送给了张家，说是张家的儿子。只见她仿若蜻蜓点水般疾奔，看花了眼的，只当一朵红云往前飘去，显见得轻身工夫不错。Apple续订传记体剧集《亲爱的》第二季，本剧集以粉丝给名人写信的形式，来回顾每位嘉宾的人生际遇，第二季影视界嘉宾将会有简·方达、维奥拉·戴维斯、赛琳娜·戈麦斯、吴珊卓、比利·波特、艾娃·德约列等，共有十集。二十年前正是旧派武侠小说和旧派武侠剧最兴盛的时候，可惜周行文重生回来了，周行文凭着《白发魔女传》和《笑傲江湖》等小说，硬生生把几位至今都是耳熟能详的武侠作家打得毫无还手之力。这一刻，请别犹豫，勇敢爱吧！小葱也奇怪起来，转头望向另一处洞室，那边是库房：这是……有人偷花生？板栗摇头道：往哪偷？这里面又不得出去。