sub arrays javascript code example

Example 1: javascript get sub array

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

Example 2: return last two values of array in javascript

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

Example 3: 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);

Example 4: what is the purpose of subscript in an array

arrayName( subscript )
// declaring a subscript