//used arraow functions
const years = [1970, 1999, 1951, 1982, 1963, 2011, 2018, 1922]
const sortYears = arr =>{
arr.sort((a,b)=>{return b-a})
return arr
}
console.log(sortYears(years))
// Should print [ 2018, 2011, 1999, 1982, 1970, 1963, 1951, 1922 ]