Home >>JavaScript Array Reference >JavaScript Array from() Method

JavaScript Array from() Method

The JavaScript Array from() method is an inbuilt function in JavaScript which returns an array object from a given array with a length property or an iterable object. In case of string, every alphabet of the string is converted of the new array to an element and new array instance simple take the elements of the given array in case of integer values.

Syntax

Array.from(object, mapFunction, thisValue)

Parameter Values

Property	Description
object	It required the object to convert to an array
mapFunction	It is optional parameter, used for a map function to call on each item of the array
thisValue	It is optional parameter used for a value to use as this when executing the mapFunction

Browser Support

Method	Chrome	Edge	Firefox	Safari	Opera
from()	45.0	12.0	32.0	9	25.0

Here is an example of JavaScript array from() Method:

<!DOCTYPE html>
<html>
<body>
<p id="arrfrom"></p>
<script>
var myArrfrm = Array.from("123456");
document.getElementById("arrfrom").innerHTML = myArrfrm;
</script>
</body>
</html>

Output:

Example 2:

<!DOCTYPE html>
<html>
<body>
<p id="arrfrom1"></p>
<script>
var myArrfrm1 = Array.from("phptpointtraining");
document.getElementById("arrfrom1").innerHTML = myArrfrm1;
</script>
</body>
</html>

Output:

« Previous Next »

JavaScript Array Reference

No Sidebar ads