Hello Friends,

Now let's see example of how to use array length example. We will check how to use array length. This is a short guide on use array length in node js. Let's get started with how to use array length in node js.

Here i will give you many example how to use array length using node js.

Example 1 :

Run following command to create node app.

mkdir my-app
cd my-app
 
npm init

server.js

const subjects = ['laravel', 'node js', 'JavaScript', 'php'];

console.log(subjects.length);

now you can simply run by following command:

node server.js

4

Example 2 :

Run following command to create node app.

mkdir my-app
cd my-app
 
npm init

server.js

var Subjects = ["laravel", "node js", "php", "css", "html"];

if (Subjects.length > 3) {
  	Subjects.length = 3;
}

console.log(Subjects.length);

now you can simply run by following command:

node server.js

3

It will help you...