how to take last 4 element of array javascript code example

Example 1: javascript get last element of array

var foods = ["kiwi","apple","banana"];
var banana = foods[foods.length - 1]; // Getting last element

Example 2: javascript last element of array

let arr = [1,2,3]
arr[arr.length - 1] //returns last element in an array

Example 3: get last element of array javascript

// Method - 1 ([] operator)
const arr = [5, 3, 2, 7, 8];
const last = arr[arr.length - 1];
console.log(last);
/*
    Output: 8
*/

// Method - 2 (Destructuring Assignment)
const arr = [5, 3, 2, 7, 8];

const [last] = arr.slice(-1);
console.log(last);
/*
    Output: 8
*/

// Method - 3 (Array.prototype.pop())
const arr = [5, 3, 2, 7, 8];

const last = arr.slice(-1).pop();
console.log(last);
/*
    Output: 8
*/

// Method - 4 (Underscore/Lodash Library)
const _ = require("underscore");

const arr = [5, 3, 2, 7, 8];
const last = _.last(arr);
console.log(last);
/*
    Output: 8
*/

Example 4: javascript last element of array

arr.slice(-1)[0]