Auto-crawl a set of URL's

var urls= [
'https://www.linkedin.com/in/coeyman/',
'https://www.linkedin.com/in/coeyman/',
'https://www.linkedin.com/in/coeyman/',
'https://www.linkedin.com/in/coeyman/',
'https://www.linkedin.com/in/coeyman/',
'https://www.linkedin.com/in/coeyman/',
'https://www.linkedin.com/in/coeyman/',
];

var myWindow=null;

var crawl= e=>{
 if(myWindow!==null){ myWindow.close() }; 
 myWindow= window.open(urls[0]);
 myWindow.addEventListener('load', next, false);
 urls.splice(0,1);
};

crawl();