As a web developer, it is crucial to understand the difference between null and undefined in JavaScript. In this tutorial, we will discuss the differences between these two values and how to use them effectively in your JavaScript code. Null in JavaScript In JavaScript, null is a special value that represents the intentional absence of
In web development, it is common to check whether an element is visible or hidden on a web page. In this tutorial, we will discuss how to check if an element is visible or hidden using Javascript. There are several ways to check if an element is visible or hidden using Javascript. Here are three
In Javascript, variables are used to store data values. The three most commonly used keywords to declare variables are let, const, and var. Although they are similar, they have some key differences that are important to understand when working with Javascript. In this tutorial, we will go over the differences between let, const, and var
Creating a countdown timer using JavaScript is a common requirement for many web applications. A countdown timer is useful in situations where you need to display a time-limited offer or when you need to countdown to a specific event. In this tutorial, you’ll learn how to create a simple countdown timer using JavaScript. Here are
As a web developer, you may come across situations where you need to extract the file name from a URL in JavaScript. The good news is that it’s easy to accomplish with a few lines of code. In this tutorial, we’ll show you how to do just that. First, let’s take a look at a
