Answers for "how to know if an element is the last in array js"

find last element in array javascript

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

get last element in array javascript

var my_array = /* some array here */;
var last_element = my_array[my_array.length - 1];