JavaScript Array fill() Method
Example
Fill all the array elements with a static value:
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.fill("Kiwi");
Try it Yourself »
More "Try it Yourself" examples below.
Definition and Usage
The fill() method fills the specified elements in an array with a static value.
You can specify the position of where to start and end the filling. If not specified, all elements will be filled.
Note: this method overwrites the original array.
Browser Support
The numbers in the table specify the first browser version that fully supports the method.
| Method | |||||
|---|---|---|---|---|---|
| fill() | 45.0 | 12.0 | 31.0 | 7.1 | 32.0 |
Note: The fill() method is not supported in Internet Explorer 11 and earlier versions.
Syntax
array.fill(value, start, end)
Parameter Values
| Parameter | Description |
|---|---|
| value | Required. The value to fill the array with |
| start | Optional. The index to start filling the array (default is 0) |
| end | Optional. The index to stop filling the array (default is array.length) |
Technical Details
| Return Value: | An Array, the changed array |
|---|---|
| JavaScript Version: | ECMAScript 6 |
More Examples
Example
Fill the last two array elements with a static value:
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.fill("Kiwi", 2, 4);
Try it Yourself »
Related Pages
JavaScript Tutorial: JavaScript Arrays
❮ JavaScript Array Reference
