Description 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.

Jul 23, 2025 · As we know the JavaScript arrays are dynamic in nature they do not have the finite length so we can assign a value to any index at any point of time. We can directly assign a value to a …

Dec 9, 2008 · There are a couple of ways to append an array in JavaScript: 1) The push() method adds one or more elements to the end of an array and returns the new length of the array.

Jul 10, 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.

Apr 25, 2023 · Sometimes, you may need to insert a new element into an array at a specific index. To accomplish this task, you can use the push() method or the splice() method.

To add new elements you can use the following JavaScript functions: push () unshift (), concat () function or splice (). See examples.

Jun 26, 2025 · Learn how to append elements to JavaScript arrays using push, concat, spread operator, and more for clean and efficient code.

If you need to continuously insert an element at the beginning of an array, it is faster to use push statements followed by a call to reverse, instead of calling unshift all the time.

Jul 15, 2020 · In this article, we will see how to add new elements to an existing array dynamically in Javascript. We will discuss two methods in this article i.e. push () method and dynamically adding an …

5 ways to add an item to the end of an array. Push, Splice, and Length will mutate the original array. Concat and Spread won't and will return a new array...