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在一间加油站，他们遭遇珠宝大盗罗梅（罗伯特•帕特里克 Robert Patrick 饰）及其同伙。罗梅与路过的警察发生冲突，一番枪战过后，罗梅团伙成功逃跑，并劫持凯特为人质。突如其来的变故唤醒约翰的斗志，他开始独身一人追踪劫匪……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.Source authentication and resource isolation, that is, when the client and the server establish a reply, the source of the request is authenticated as necessary, and the authentication results are formed into a reliable white list or blacklist, thus ensuring the effectiveness of the server in processing services. If there are enough hackers and broilers and the authenticity of forged data packets is high, a better countermeasure effect can only be achieved by improving the processing speed and traffic throughput of the server.紫茄就带他们出去了。Second, operate the menu "Drawing", "Block" and "Definition Attribute", or directly run the command "attdef", enter "Elevation" in the "Mark" in the "Definition Attribute" window, enter "Elevation =" in the "Prompt", enter "00.00" in the "Default", use 3.5 for "Text Height", and press "OK" to close the window."Attackers certainly share information with each other. In fact, only the first attacker is the real technical genius, while others can only be called the beneficiaries of following the trend," he concluded.The event is released immediately after execution. For example, if the event is executed immediately, the event will be automatically deleted after execution. The event can be viewed by calling multiple times or waiting for execution.