JavaScript | Array from() Method
The JavaScript Array from() method returns an Array object from any object with a length property or an iterable object.
Syntax :
Array.from(object, mapFunction, thisValue)
Parameter :
- object : This Parameter is required to specify the object to convert to an array.
- mapFunction : This Parameter specify the map function to call on each item of the array.
- currentIndex : This Parameter specify the array index of the current element.
- thisValue : This Parameter specify the value to use as this when executing the mapFunction.
Return Value: It returns an array object.
Example-1:
<!DOCTYPE html><html> <body> <center> <h2>GeeksForGeeks </h2> <p>Create an Array from a String:</p> <p id="demo"></p> <script> var myArr = Array.from( "GeeksForGeeks"); document.getElementById( "demo").innerHTML = myArr; </script> </center></body> </html> |
Output:
Example-2:
<!DOCTYPE html><html> <body> <center> <h2>GeeksForGeeks</h2> <p>Create an Array from a String: "45878965412365" </p> <p id="demo"></p> <script> var myArr = Array.from("45878965412365"); document.getElementById( "demo").innerHTML = myArr; </script> </center></body> </html> |
Output :
Supported Browsers:
- Google Chrome
- Mozilla Firefox
- Edge
- Opera
- Safari
