javascript cannot get last element of array code example

Example 1: js take last item in array

const heroes = ["Batman", "Superman", "Hulk"];
const lastHero = heroes.pop(); // Returns last elment of the Array
// lastHero = "Hulk"

Example 2: javascript last element of array

let arr = ['a', 'b', 'c']
arr.slice(-1)[0] // returns last element in an array