JavaScript Array from() Method (original) (raw)

Last Updated : 15 Jul, 2024

The JavaScript **Array from() method returns an Array object from any object with a length property or an iterable object.

Array.from(object, mapFunction, thisValue)

**object: This Parameter is required to specify the object to convert to an array.
**mapFunction: This Parameter specifies the map function to call on each item of the array.
- **element: It specifies the current element.
- **currentIndex: This Parameter specifies the array index of the current element.
**thisValue: This Parameter specifies the value to use as this when executing the mapFunction.

It returns an array object or instance of an arrray.

**Example 1: In this example, we will be using Array from() method to create an array from the string value.

JavaScript `

// Creating array from input string let myArr = Array.from( "GeeksForGeeks");

// Display output console.log(myArr);

Output

[ 'G', 'e', 'e', 'k', 's', 'F', 'o', 'r', 'G', 'e', 'e', 'k', 's' ]

**Example 2: In this example, we will be using Array from() method to create an array from the string value.

JavaScript `

// Creating array form the given string let myArr = Array.from("45878965412365");

// Display output console.log(myArr);

Output

[ '4', '5', '8', '7', '8', '9', '6', '5', '4', '1', '2', '3', '6', '5' ]

We have a complete list of Javascript Array methods, to check those please go through this Javascript Array Complete reference article.