Javascript 如何下载外部视频而不在浏览器中播放？

我尝试下载视频而不在Android默认浏览器或Firefox中播放。 我已经试过如下方法：

<a href="https://something.googlevideo.com/xxxxxx&title=Video+Title" download>Download</a>

<a href="https://something.googlevideo.com/xxxxxx&title=Video+Title" target="_blank" download>Download</a>

<a href="https://something.googlevideo.com/xxxxxx&title=Video+Title" rel=”external" download>Download</a>

url: https://r1---sn-bg5hxxo2ivox-q5jz.googlevideo.com/videoplayback?aitags=133%2C134%2C135%2C136%2C137%2C160%2C242%2C243%2C244%2C247%2C248%2C278%2C394%2C395%2C396%2C397%2C398&fvip=1&sparams=aitags%2Cclen%2Cdur%2Cei%2Cgir%2Cid%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Ckeepalive%2Clmt%2Cmime%2Cmm%2Cmn%2Cms%2Cmv%2Cpl%2Crequiressl%2Csource%2Cexpire&mime=video%2Fmp4&id=o-ALRV5YpAaCpyILP6H-8loaZj-ZDemJBajF3jtnfwxUch&itag=398&dur=240.320&clen=30917236&lmt=1539885977797930&ip=119.30.32.177&key=yt6&expire=1553211455&c=WEB&ei=3suTXOHhPKS88QP8vYCoDg&ms=au%2Crdu&mt=1553189732&mv=m&ipbits=0&mm=31%2C29&mn=sn-bg5hxxo2ivox-q5jz%2Csn-npoeene6&requiressl=yes&keepalive=yes&source=youtube&txp=5511222&pl=24&gir=yes&initcwndbps=63750&title=ytdl.ml+-++Guru+Randhawa_+Ban+Ja+Rani+Video+Song+With+Lyrics+_+Tumhari+Sulu+_+Vidya+Balan+Manav+Kaul+&ratebypass=yes&signature=0CC08F953D3A80FE8283591B910AD243B57069E8.A1F38C1FDD6E9BA461C4A69210106728890DE858

网址：https://r1---sn-bg5hxxo2ivox-q5jz.googlevideo.com/videoplayback?aitags=133%2C134%2C135%2C136%2C137%2C160%2C242%2C243%2C244%2C247%2C248%2C278%2C394%2C395%2C396%2C397%2C398&fvip=1&sparams=aitags%2Cclen%2Cdur%2Cei%2Cgir%2Cid%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Ckeepalive%2Clmt%2Cmime%2Cmm%2Cmn%2Cms%2Cmv%2Cpl%2Crequiressl%2Csource%2Cexpire&mime=video%这两个词的意思是：这两个词的意思是：这两个词的意思是：这两个词的意思是：图中的一个和它的价格=398&dur=240.320，克莱恩=30917236&lmt=30917236&lmt=153988577727236&lmt=153987=397&D=307&D=307=3.3=3=3=3.32&=3=30917=30917236&lmt=30917236&lmt=3=3=3=3=30917236&lmt=T=153989=5398857&lmt=53987=5398857=39787878787878787=397=3=397777777=3=397=397=3=397=3=397=397=3977777777777=3=3&T=3&lmt=3=3=3=&pl=24&gir=yes&initcwndbps=63750&title=ytdl.ml+++Guru+Randhawa+-Ban+Ja+Rani+视频+歌曲+歌词++uuuu+Tumhari+Sulu++uvidya+Balan+Manav+Kaul+&ratebypass=yes&signature=0cc08f953d3a80fe8283591b910ad243b5706e8.af38c1fdd6e9ba461c4a699210106728890de858

我不想在我的服务器上下载此视频。

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如何使用PHP、JavaScript或HTML下载此视频？

只有当文件位于网页的同一URL上时，

下载

HTML属性才有效

对于下载外部URL，外部服务器必须发送下载HTTP头

另一种方法是在您的服务器上创建一个代理，这样下载URL将与网站相同，但每次下载都将使用您的服务器网络流量（这不是个好主意）

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右键单击链接，然后单击“将链接另存为”或您的特定浏览器状态。我正在使用Android手机。所以别无选择！