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;
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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 numberThe number of elements in the array.

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


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