javascript: (function() { var regex = /https:\/\/www\.youtube\.com\/watch\?v=/i; var s = regex.test(document.URL); if (s) { let url = new URL(location.href); let searchParams = new URLSearchParams(url.search); window.open("https://www.converto.io/?v=" + searchParams.get('v'), '_blank'); } else { alert("Vous ecoutez aucun vidéo youtube... =( "); } })()