how to get last element in js code example

Example 1: javascipt get last element of array

const arr = [1,2,3] ;
console.log(arr[arr.length - 1]);

Example 2: how to get last item in array javascript

let nums = [1,2,3,4,5];
let lastOne = nums.pop();
// -> lastOne = 5
// -> nums = [1,2,3,4];