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如何通过 axios 请求从视频元素获取 url

[英]how to get url from video element through axios request

Here I am trying to get URL from video element but didn't get在这里,我试图从视频元素中获取 URL 但没有得到

Here when I fire this URL https://www.instagram.com/reel/CYd4S2Wrbtg/ in browser then in inspect I am getting video element something like this:在这里,当我在浏览器中触发这个 URL https://www.instagram.com/reel/CYd4S2Wrbtg/然后在检查中我得到类似这样的视频元素:

<video class="tWeCl" crossorigin="anonymous" playsinline="" poster="https://instagram.fstv5-1.fna.fbcdn.net/v/t51.2885-15/e35/271364026_966285387645021_6833216126146124934_n.jpg?_nc_ht=instagram.fstv5-1.fna.fbcdn.net&amp;_nc_cat=1&amp;_nc_ohc=6A2H8WVShtIAX_5F_BN&amp;edm=APfKNqwBAAAA&amp;ccb=7-4&amp;oh=00_AT_-QPwnrPdiefyGa2Y49blLeFbXwPLbZSzisyfuYzkXew&amp;oe=61F3EC67&amp;_nc_sid=74f7ba" preload="none" type="video/mp4" src="https://instagram.fstv5-1.fna.fbcdn.net/v/t50.2886-16/271301651_128273096347718_8827368247380350189_n.mp4?_nc_ht=instagram.fstv5-1.fna.fbcdn.net&amp;_nc_cat=102&amp;_nc_ohc=2X_ChX5ekQkAX8miWrl&amp;edm=APfKNqwBAAAA&amp;ccb=7-4&amp;oe=61F39C7E&amp;oh=00_AT-kSFHSGw1RST72G1xAT1lQ3CO_3BnibPHZUBtVURjbUQ&amp;_nc_sid=74f7ba"></video>

but when I try to get this video element using Axios request I am not getting但是当我尝试使用 Axios 请求获取此视频元素时,我没有得到

axios.get('https://www.instagram.com/reel/CYd4S2Wrbtg/').then(html => {
   console.log(html.data, 'r+++++++++++++++') 
   res.send(html.data);
}); 

I think the video element is not in the source of the page.我认为视频元素不在页面的源代码中。 What I mean to say is the video element is created using javascript after the body is mounted, which means when you hit a get request you get a basic HTML file with loads of javascript which renders the video later.我的意思是视频元素是在安装主体后使用 javascript 创建的,这意味着当您点击获取请求时,您将获得一个基本的 HTML 文件,其中包含 javascript 的负载,稍后会渲染视频。 So in a way, the video element doesn't exist when you hit a get request.所以在某种程度上,当你点击获取请求时,视频元素并不存在。

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