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JavaScript Array with() Method

JavaScript Array with() JavaScript Array with() Method

ES2023 added the Array with() method as a safe way to update elements in an array without altering the original array.

Example

const months = ["Januar", "Februar", "Mar", "April"];
const myMonths = months.with(2, "March");

Try it Yourself » Description

The with() method updates a specified array element.

The with() method returns a new array.

The with() method does not change the original array.

Syntax Parameters Parameter Description index Required.
The index (position) of the item to change.
A negative index counts from the end of the array. value Required.
The new value. Return Value A new array containing the changed element. Browser Support

with() is a JavaScript 2023 feature.

ES 2023 is supported in all modern browsers since July 2023:

Chrome
110 Edge
110 Firefox
115 Safari
16.4 Opera
96 Feb 2023 Feb 2023 Jul 2023 Mar 2023 May 2023

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