javascript array take first 2 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: get first two letter of an array javascript

var str = '012123';
var strFirstThree = str.substring(0,3);

console.log(str); //shows '012123'
console.log(strFirstThree); // shows '012'

Example 3: array index javascript show only first 2 elements

array.slice(0, n);