JavaScript Array length

const fruits = ["Banana", "Orange", "Apple", "Mango"];
let length = fruits.length;

const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.length = 2;

Description

The length property sets or returns the number of elements in an array.

Return the length of an array:

array.length

Set the length of an array:

array.length = number

Type	Description
A number	The number of elements in the array.

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