#1

background.js :


if (!localStorage.isInitialized) {
  localStorage.isInitialized = true;
  localStorage.setItem('LatestDate', '');
  localStorage.setItem('currentWebsites', '{}');
  localStorage.setItem('backup','');
}
console.log('hi');
setInterval(function() {
    
    var hostname = window.location.hostname;
    
    if(localStorage.getItem(hostname) === null){
        localStorage.setItem(hostname,'0');
        
        var websites = JSON.parse(localStorage.getItem('currentWebsites'));
        websites.push(hostname);
        localStorage.setItem('currentWebsites', JSON.stringify(websites));
    
    }
   
    else{
        var seconds = parseInt(localStorage.getItem(hostname));
        localStorage.setItem(hostname,(seconds+1));
    }
   // console.log(localStorage.getItem(hostname));
    var w = localStorage.getItem( 'currentWebsites' );
    console.table(JSON.parse(w));
}, 1000);
//    console.log('currentWebsites');
//console.log(localStorage.getItem('currentWebsites'));












This throws this error:
          Unexpected token c in JSON at position 0
                 at JSON.parse (<anonymous>)
    
because of:
 var w = localStorage.getItem( 'currentWebsites' );
    console.table(JSON.parse(w));