Javascript - Array length Property

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

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Description

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

Syntax

To get the length of an array: 

array.length

To set the length of an array: 

array.length = number

Return

A Number, representing the number of elements in the array object

Example

Return the length of an array:

Demo

var myArray = ["XML", "Json", "Database", "Mango"];
console.log( myArray.length);/* w ww.j av  a  2  s.c  om*/

//set length
myArray.length = 2;

console.log( myArray.length);
console.log( myArray);

Result