how to find the last object in an array 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: how to get the last element in javascript

const nums = [1, 2, 3, 4, 5, 6, 7];
const lastOne = nums[nums.lenght - 1]; // last element of array