Compare Copyright year in a footer with real year

current-year-vs-footer-year

// UPDATE COPYRIGHT YEAR IN FOOTER 
// get published year from footer 
var publishedYear = parseInt($('#currentYear').html()); 
// discover real year var today = new Date(); 
var realYear = today.getFullYear(); 
// replace published year with real year if necessary 
if ( publishedYear != realYear ) { 
   $('#currentYear').html(realYear); 
}