last value in list in javascript code example

Example 1: last element of array javascript

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

Example 2: javascript last in a list

let list = ["item1", "item2", "item3", "etc"];
let last = list.reverse()[0]
// or
let last = list[list.length - 1]
// or
let last = list.slice(-1)