JavaScript

We all know JavaScript and how good it is for both client-side and server-side. But then why are we writing this tutorial on TypeScript? Why is TypeScript gaining popularity even when JavaScript is here and constantly updating? What is TypeScript, why do we need it, how does it differ from JavaScript, and how to get […]

In JavaScript, a multiline string allows us to write text in multiple lines and display it. This makes our code easy to read and avoids unnecessary repetition of display function code. It is quite useful when there is a need to handle vast sections of text or documentation and to reduce the need to break

Who says that JavaScript does not support object-oriented programming concepts? Classes in JavaScript help us create organized and encapsulated code. They allow us to use objects based on templates. Let’s learn more about JavaScript classes and see how to create and use them. Introduction to JavaScript Classes ES6 introduced JavaScript classes, which makes it easy

The Nullish coalescing operator, also known as the Javascript double question mark operator (??), is a logical operator that takes two input statements and returns the right-hand side statement if the left-hand side statement is false. Typically, it establishes default values for variables. Let’s discuss it further. Nullish Coalescing Operator in JavaScript The Nullish coalescing

The some() method in JavaScript checks if at least one element in an array passes a test provided by a function. It iterates through each element of the array, applies the test function, and returns a Boolean value indicating whether any of the elements satisfy the test. Let us look at its syntax, parameters, return

The find() method returns the first element that passes the given test function. This function does not execute for null elements and returns undefined if elements fail to pass the test case. In this tutorial, along with the find() method, we will also learn about many variants of this function that help us find the index,

Maps in JavaScript store key-value pairs where keys can be of any type. It works well for adding and removing key-value pairs, making them suitable for applications in which performance is important. It also remembers the insertion order, ideal for sequence-dependent operations. How to Create a Map? There are two ways in which we can

In JavaScript, we can attach event listeners to an HTML element so that it can become reactive and respond based on user behaviour.  Such as we usually attach a ‘click’ event to the button to handle what happens next when a user clicks on it. Another famous example is when we create a piano application

JavaScript eval() method can execute a statement, expression, or a group of statements and return its completion value if it exists or undefined if there is no completion value. In simple words, if the parameter is an expression then it will be evaluated and the value will be returned but if the parameter is a

Have you ever tried to download software from a third-party website? When you click on the download button it opens multiple tabs with lots of annoying ads. As a developer, I wonder how they program their website to do so. Well, you won’t believe it’s very easy. In this tutorial, I will show you how