JavaScript Array.from()

Create an array from a string:

Array.from("ABCDEFG")

Description

The Array.from() method returns an array from any object with a length property.

The Array.from() method returns an array from any iterable object.

Array.from() is a static property of the JavaScript Array object.

You can only use it as Array.from().

Using x.from(), where x is an array will return undefined.

Array.from( object, mapFunction, thisValue)

Parameter	Description
object	Required. The object to convert to an array.
mapFunction	Optional. A map function to call on each item.
thisValue	Optional. A value to use as `this`for the mapFunction

Type	Description
An array	The values from the iterable object.

Array.from() is an ECMAScript6 (ES6) feature.

ES6 (JavaScript 2015) is supported in all modern browsers:


Chrome	Edge	Firefox	Safari	Opera
Yes	Yes	Yes	Yes	Yes

Array.from() is not supported in Internet Explorer 11 (or earlier).