How to Concat Array in Node JS?

Hi friends,

I am going to explain you example of how to concat array in node js. I’m going to show you about add elements in array in node.js. I would like to show you concat elements in array in node js. I would like to share with you array using concate function in node js.

In this post, the example is how to concat array in node js. I will use the concat function merge array. This function used to two array merge one array in node js.

let's see below simple example with output:

Install Node JS

This step is not required; however, if you have not created the node js app, then you may go ahead and execute the below command:

mkdir my-app
cd my-app
 
npm init

Example:

You may also create a new array of the items you want to prepend to the existing array.

index.js

// create array list
myArray = ['One', 'Two', 'Three'];

// concat new element with value
newArray = myArray.concat(['Four', 'Five']);

console.log(newArray);

Output:

[ 'One', 'Two', 'Three', 'Four', 'Five' ]

It will help you...