const indices = [];

const array = ['a', 'b', 'a', 'c', 'a', 'd'];

const element = 'a';

let idx = array.lastIndexOf(element);

while (idx !== -1) {

  indices.push(idx);

  idx = (idx > 0 ? array.lastIndexOf(element, idx - 1) : -1);

}

​

console.log(indices);

// [4, 2, 0]

var colors = ["red","blue","green"];

var green = colors[colors.length - 1]; //get last item in the array

​

const arr = [2, 4, 6, 8, 10, 12, 14, 16];

​

const lastElement1 = arr[arr.length - 1];  // Method 1

const lastElement2 = arr.slice(-1);  //Method 2

const lastElement3 = arr.pop(); //Method 3

const lastElement4 = arr.at(-1) //Method 4 Best Approach

​

var Cars = ["Volvo", "Mazda", "Lamborghini", "Maserati"];

//We can get the total number of elements like this.

var hmCars = Cars.pop();

//hmCars is now Maserati

console.log(hmCars)

let arry = [2, 4, 6, 8, 10, 12, 14, 16];

let lastElement = arry[arry.length - 1];

​

console.log(lastElement);

​

//Output: 16

const lastElement = arrayName[arrayName.length - 1];

int[] array = {1,2,3};

System.out.println(array[array.length - 1]);

let myArray = ["Hello!", "World!"]

let capacity = myArray.count

let lastElement = myArray[capacity-1]

print(lastElement)

    System.out.print(Primes1.get(Primes1.size() - 1) + " ");

last array index