如何知道ajax请求中响应的大小 [英] How to know size of response in ajax request

问题描述

我通过get方法收到了ajax请求，该方法返回了一些动态数据.我想检查响应的大小以及加载的数量.

I have ajax request with get method which is return the some dynamic data. I want to check size of response and how much it loaded.

基本上，我想使用javascript制作进度条.互联网上有很多可用的插件，但我想借助自己的帮助.

Basically I want to make a progress bar with javascript. There is plenty of plugins available on internet but I want to make my own with help.

所以我只需要参考如何完成这些事情.我需要做的两件事是总数据大小(kb)和装入的数据量.

So I just need reference how to get these thing done. there is two thing which I need is total data size (kb) and how much it loaded.

推荐答案

为我工作

 var xhr = $.ajax({
      type: "HEAD",
      url: "path/to/file.ext",
      success: function(msg){
        alert(xhr.getResponseHeader('Content-Length') + ' bytes');
      }
    });

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