Get Array Length in JavaScript

In JavaScript, Array.length property returns the number of elements present in the array.

Syntax

array.length

• array is an array of elements.
• length is the array property name.

length property returns the number of elements in the array.

Examples

1. Get length of the array numbers.

let numbers = [4, 1, 7, 3, 2];
let output = numbers.length;
console.log('Array length : ' + output);

2. Length of an empty array.

let numbers = [];
let output = numbers.length;
console.log('Array length : ' + output);