if i recently added data their show in top in javascript code example

Example 1: last element from list javascript

const lastItem = colors[colors.length - 1]

Example 2: last item in array javascript

const array = ['a', 's', 'd', 'f'];
const last = array.pop(); 
console.log(last); // Returns 'f'
console.log(array); // Returns ['a', 's', 'd']