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JavaScript Array splice()


Example

Add elements to an array:

const fruits = ["Banana", "Orange", "Apple", "Mango"];

// At position 2, add 2 elements:
fruits.splice(2, 0, "Lemon", "Kiwi");
Try it Yourself »

More "Try it Yourself" examples below.


Definition and Usage

The splice() method adds and/or removes array elements.

splice() overwrites the original array.


Browser Support

splice() is fully supported in all browsers:

Chrome IE Edge Firefox Safari Opera
Yes Yes Yes Yes Yes Yes

Syntax

array.splice(index, howmany, item1, ....., itemX)

Parameter Values

Parameter Description
index Required. The position to add/remove items. Negative values a the position from the end of the array.
howmany Optional. Number of items to be removed.
item1, ..., itemX Optional. New elements(s) to be added


Technical Details

Return Value: An empty Array, or an Array containing removed items (if any).
JavaScript Version: ECMAScript 1

More Examples

Example

At position 2, add the new items, and remove 1 item:

const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.splice(2, 1, "Lemon", "Kiwi");
Try it Yourself »

Example

At position 2, remove 2 items:

const fruits = ["Banana", "Orange", "Apple", "Mango", "Kiwi"];
fruits.splice(2, 2);
Try it Yourself »

Related Pages

Array Tutorial

Array Const

Array Methods

Sorting Arrays

Array Iterations