how to get last last element from array in javascript code example

Example 1: javascript get last element of array

var colors = ["red","blue","green"];
var green = colors[colors.length - 1];//get last item in the array

Example 2: js take last item in array

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