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
*/