javascript first n elements of array code example

Example 1: get first 10 items of array javascript

const list = ['apple', 'banana', 'orange', 'strawberry']
const size = 3
const items = list.slice(0, size) // res: ['apple', 'banana', 'orange']

Example 2: javascript get sub array

var fruits = ["Banana", "Orange", "Lemon", "Apple", "Mango"];
var citrus = fruits.slice(1, 3);
// ["Orange", "Lemon"]

Example 3: return last two values of array in javascript

arr.slice(Math.max(arr.length - 5, 1))

Example 4: javascript select first n elements from array

const array = ['toto','tata','titi','tutu'];

array.slice(0, 2); // => ['toto','tata']

Example 5: first n elements of array js

const sliced_array = unsliced_array.slice(0, n);

Example 6: return last two values of array in javascript

var arr1 = [0, 1, 2, 3, 4, 5, 6, 7],
  arr2 = [0, 1, 2, 3];

document.body.innerHTML = 'ARRAY 1: ' + arr1.slice(1).slice(-5) + '<br/>ARRAY 2: ' + arr2.slice(1).slice(-5);