programming-examples/js/Date/Write a JavaScript function to get a full numeric representation of a year (4 digits)..js

function full_year(dt)   
{   
  return dt.getFullYear();   
}  
dt = new Date();   
console.log(full_year(dt));   
  
dt = new Date(2015, 10, 1);   
console.log(full_year(dt));