Youtube.js
is used to download any youtube video in 1080 quality,you just have insatll:-
sudo apt install nodejs
And then change the url link to your desired youtube video link(in the youtube.js file).
Then run the script file:-
node youtube.js
in your terminal/termux for downlading optimum quality audio and video.
node youtubeVideo.js
in your terminal/termux for downlading premium video.
node Youtubesong.js
in your terminal/termux for downlading optimum quality audio and video
where as the file youtubeformat is added for tweakers,who love to experiment,it gives the info/meta data of the url.