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Http://www.jiemian.com/article/2011673.html•瘋狂的愛（豐川悅司）In order to pollinate by hook or by crook张老太太屋里。没用货郎花这么大价钱？他能做赔本生意？哎呀你还给我看着书上漆黑的文字，吕馨的心还停留在刚才那场大战中。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.