Everything You Need to Know About JavaScript Array Methods

Did you know? You are capable of storing multiple elements in a built-in programming object called array!

As a developer, JavaScript script array is a topic that you will often encounter. Array in JavaScript is often represented in square brackets().

We use them to add, delete, manipulate or iterate the data.

Though, there are certain JavaScript array methods that are used to make coding easier for all the developers. You may come across a bundle of array methods in JavaScript. However, you don’t have to feel overwhelmed as these methods are of great help to enlarge your knowledge and improve your coding concepts.

Therefore, to make things easier for you, we are here to help! We are going to discuss some of the most popular JavaScript array methods. Besides this, we are also going to dig deeper into the concepts of intersection of two arrays and how to reverse an array.

Read on to know about the most popular JavaScript array methods.

JavaScript Array Methods

To add and remove items

In JavaScript Arrays, various methods are being used to add and delete items in the beginning. The most common among them are discussed as follows:

arr.push(): This method is widely used in order to add items in the end.

arr.pop(): To extract any of the items from the end, arr.pop() is useful.

arr.shift(): You can extract items from the beginning with its help.

arr.unshift(): To add items in the beginning, arr.unshift() is used.

Besides the above mentioned methods, there are various other ways to add or delete items

Splice Methods

If you are wondering how to delete elements from the array, then splice methods would be of great help!

In the arr.splice method, you can do multiple things; from inserting elements to replacing elements to removing them with delete.obj key. The syntax of this method would be:

arr.splice(start[deleteCount, elem1,elem2, …….elemN]

This method is also useful to insert all the elements without removing anything.

Pop Method

An easy way to remove a single element from an array is through the pop() method. In this method, the element is being removed directly from the end of the array.

Additionally, you can use the shift method to remove the elements from the array......

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