How to merge/concat two arrays together in JS?

JavaScript: How to merge/concat two arrays together in JS?

To merge two arrays together in Javascript, use the .concat([]) method.

  1. let first_array = [1,2,3,4,5];
  2. let second_array = ["a","b","c"];
  4. console.log(first_array.concat(second_array));

(8) [1, 2, 3, 4, 5, "a", "b", "c"]
webdevetc profile pic

I am a 29 year old backend web developer from London, mostly focusing on PHP and Laravel lately. This ( is my blog where I write about some web development topics (PHP, Laravel, Javascript, and some server stuff). contact me here.


Comments and discussion about How to merge/concat two arrays together in JS?

Found this interesting? Maybe you want to read some more in this series?

Or see other topics in the JavaScript language

Or see other languages/frameworks:
PHP Laravel Composer Apache CentOS and Linux Stuff WordPress General Webdev and Programming Stuff JavaScript
Or see random questions

What is Bubble sort, and how to write an implementation of it in PHP

How to replace values in a string, in JS

How to find out which php.ini file PHP is using?

How to sort an array in javascript?

What is the null coalescing operator in PHP7?

How to reverse htmlentities() / What is the opposite of htmlentities()?

How to review blog posts (written by other users) before they get published on your WordPress blog?

How to fix the MySQL related "Specified key was too long error" error in Laravel

How to increment a value in the database

What is the max size, by default, of GET variables?