The push() method adds new items to the end of an array. The push() method changes the length of the array. The push() method returns the new length.

Dec 9, 2008 · To append a single item to an array, use the push() method provided by the Array object: const fruits = ['banana', 'pear', 'apple'] fruits.push('mango') console.log(fruits) push() …

Nov 17, 2024 · Here are different ways to add elements to an array in JavaScript. 1. Using push () Method. The push () method adds one or more elements to the end of an array and returns the …

Jun 3, 2016 · The concat() method can be given a single (or multiple) values without the need of encapsulating the value(s) in an array first, for example: ['a', 'b'].concat('c'); // instead of …

Feb 25, 2009 · function add_items_to_array_at_position(array, index, new_items) { return [...array.slice(0, index), ...new_items, ...array.slice(index)]; } Usage example: let old_array = …

Mar 13, 2025 · The push() method of Array instances adds the specified elements to the end of an array and returns the new length of the array.

Using an array literal is the easiest way to create a JavaScript Array. Syntax: const array_name = [item1, item2, ...]; It is a common practice to declare arrays with the const keyword. Learn …

Aug 25, 2020 · In this article, I would like to discuss some common ways of adding an element to a JavaScript array. The first and probably the most common JavaScript array method you will …

Sep 9, 2020 · There are various ways to add or append an item to an array. We will make use of push , unshift , splice , concat , spread and index to add items to an array. Let’s discuss all the …

Mar 13, 2024 · In this article, you will learn how to work with the built in JavaScript methods: pop, push, shift and unshift. You will also learn how to work with the splice method which allows …