javaScript access last element in array code example

Example 1: 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 2: get last element in array javascript

var my_array = /* some array here */;
var last_element = my_array[my_array.length - 1];

Example 3: get last element in array in javascript

arr.slice(-1)[0]

Example 4: javascript get last element of array

if (loc_array[loc_array.length - 1] === 'index.html') {
   // do something
} else {
   // something else
}