How to get Array Last Item in Javascript

Two methods to get last item from last index of array

How to get Last value from last index of array

First method:

we use arr.length-1 for getting array item that is in last index

var arr = [1, 2, 3, 4, 5]
console.log(arr[arr.length-1])
 //5

Second method:

we use arr.at(-1) for getting array item that is in last index

var arr = [1, 2, 3, 4, 5]
console.log(arr.at(-1)) 
//5