class station{ constructor(url){ this.url= url; } show(){ var win=window.open(this.url, '_blank'); win.focus(); } } var catRadio = new station('http://shoutcast.ccma.cat/ccma/catalunyaradioHD.mp3'); var catInfo = new station('http://shoutcast.ccma.cat/ccma/catalunyainformacioHD.mp3'); var iCat = new station('http://shoutcast.ccma.cat/ccma/icatHD.mp3'); var catMusic = new station('http://shoutcast.ccma.cat/ccma/catalunyamusicaHD.mp3'); var vallekas = new station('http://cervera.eldialdigital.com:8032/;');