how to get last emenet of array using js code example

Example 1: javascript last element of array

let arr = [1,2,3]
arr[arr.length - 1] //returns last element in an array

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];