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For example, in the back-end system, There are tabular data, Each piece of data is preceded by a check box button, When you click the check box button, After obtaining the id, it needs to be passed to the server to send an ajax request. The server needs to record this data, To request, if we send an http request to the server every time we click, For the server, the pressure is relatively high and the network requests are frequent. However, if the real-time data of the system is not very high now, we can collect all ID for a period of time (e.g. 2-3 seconds) through a proxy function and send AJAX requests to the server at one time. Relatively speaking, the network requests are reduced and the server pressure is reduced.虽然是梦幻般的世界，但不知为何人们的视线总是紧紧地盯着智能手机…。'? : T) W # p: M7 w2 q% M[Resist DDoS Attacks]: Seven Tips to Remember.一次就够了，足以让众军铭刻在心了。CalculateBouns functions are likely to get bigger and bigger, such as when increasing the D level, and lack flexibility.Eight fairies