javascript

What is IntersectionObserver? IntersectionObserver is an API that allows JavaScript to observe changes in the intersection of a target element with an ancestor element or the browser’s viewport. It is useful when you want to know if an element is visible on the screen or not. How does it

Dropzone Add Download Button If you're using Dropzone.js to upload files, you may want to add a download button to your uploaded files. This can be easily achieved by adding a button element to the template that displays the uploaded file. Method 1: Adding a Button to

Load URL OnClick JavaScript Have you ever wanted to redirect your website's visitors to another page by clicking a button or a link? If so, you can do this easily by using JavaScript. Using the onClick event, you can load a URL when a user clicks on an

NestJS with Postgres on Heroku If you're looking to develop a backend application with Node.js, NestJS is a popular framework that makes it easier to build scalable and maintainable applications. And if you're planning to use a relational database like Postgres, Heroku is a great

How to do something once in JavaScript If you want to execute a certain code only once in JavaScript, you can use several methods. Here are a few: 1. Immediately Invoked Function Expression (IIFE) An IIFE is a function that is executed immediately after it is defined. You can use

Converting Base64 to PNG with Node.js If you're working with images in Node.js, there may be times when you need to convert a Base64 encoded string to a PNG image file. Fortunately, this can be done using some built-in Node.js modules. Method 1: Using the

v-icon not loading icons As a web developer, I have faced many issues with loading icons on my websites. One of the most common issues that I have come across is the v-icon not loading icons. The v-icon component is a part of the Vuetify framework and is used to

Icons in React If you want to add icons in your React project, there are several ways to do it. Here are some of the most popular methods: Using Icon Libraries One of the easiest ways to add icons to your React project is by using icon libraries like Font

How to Check if a Color is Valid in JavaScript As a web developer, you must have come across situations where you needed to validate a color value in JavaScript. To validate a color, you can use the RegExp object or CSS parser libraries like Parsel. Let's explore

Showing Ingoing Node on Click Cytoscape.js As a blogger and a web developer, I have worked with Cytoscape.js to create dynamic and interactive network graphs. One of the essential features of any network graph is to be able to click on a node and see its incoming connections.