JavaScript Array length
Examples
const fruits = ["Banana", "Orange", "Apple", "Mango"];
let length = fruits.length;
Try it Yourself »
const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.length = 2;
Try it Yourself »
Description
The length
property sets or returns the number of elements in an array.
Syntax
Return the length of an array:
array.length
Set the length of an array:
array.length = number
Return Value
Type | Description |
A number | The number of elements in the array. |
Array Tutorials:
Browser Support
length
is an ECMAScript1 (ES1) feature.
ES1 (JavaScript 1997) is fully supported in all browsers:
Chrome | Edge | Firefox | Safari | Opera | IE |
Yes | Yes | Yes | Yes | Yes | Yes |