JavaScript Array unshift() Method

unshift()This method adds one or more elements to the beginning of an array and returns the new length of the array.

Note:To append a new element to the end of an array, please usepush()Method.

Syntax:

array.unshift(element1..., elementN)

Example

var fruits = ["Banana", "Mango", "Apple"];
fruits.unshift("Strawberry");

The numbers in the table specify the first browser version that fully supports the unshift() method:

Method
unshift()	1	1	Yes	Yes	9

Parameter	Description
elementN	Element to be added to the beginning of the array

Return Value:	Return the new length of the array
JavaScript Version:	ECMAScript 1

The following code adds three elements to the array. The total variable contains the new length of the array:

Example

var fruits = ["Banana", "Mango", "Apple"];
var total = fruits.unshift("Strawberry", "Lychee", "Guava");

The following code adds the value of the input field to the array:

Banana, Mango, Apple