how to get last element of object in javascript code example

Example 1: las element of object

var fruitObject = { 'a' : 'apple', 'b' : 'banana', 'c' : 'carrot' };
Object.keys(fruitObject); // this returns all properties in an array ["a", "b", "c"]
fruitObject[Object.keys(fruitObject)[Object.keys(fruitObject).length - 1]] // "carrot"

Example 2: how to find the last object in an array

let array = [0,1,2,3,4,5,6,7,8,9]
let lastOfArray = array[array.length-1]