Audio only youtube

main.js

$(document).ready(function() {
	$("ytd-thumbnail").remove();
	$("img").remove();
	$("ytd-topbar-logo-renderer").remove();
	
	$(".html5-video-container").remove()
})
$(document).scroll(function() {
	$("ytd-thumbnail").remove();
	$("img").remove();
	$("ytd-topbar-logo-renderer").remove();
	$("yt-formatted-string").remove();
	
})

manifest.json

 {
    "name": "Youtube audio only",
    "version": "1.0",
    "description": "Youtube audio only",
    "manifest_version": 2,
	"content_scripts": [
	 {
		"matches": ["https://www.youtube.com/*"],
      "js": ["jquery.min.js","main.js"]
    }]
}