Whenever there is a need to interact with a file, it is recommended to first check whether the file exists or not. For example, if you’re trying to read or write on a file that doesn’t exist, you’ll be getting…
Node.js is a JavaScript runtime built upon the V8 engine that uses JavaScript for creating the server side. The server created using Node.js can interact with the operating system and file system. It can perform all types of non-blocking I/O…
Node.js has an event loop that takes care of the flow of execution of the tasks, and when a task gets executed it fires the corresponding event to perform a specific action. Creating a Node.js program using multiple events makes…
When we are developing an application, requires a lot of choices, choice of layout, choice of code editor, and choice of which technology to be used. The technologies used for creating the application decide the speed and efficiency of the…
Node.js is a cross-platform runtime environment used for creating server-side applications built on the google chrome V8 engine, making it perfect for creating fast and scalable applications. TypeScript is a programming language that was developed as a subset of JavaScript…
I remember seeing a random JavaScript object in the console and thinking, “Where did all these extra methods come from”? A little digging later, I finally understood… and also realised why interviewers keep throwing around the word “prototype.” So let’s…
A template engine is used for server-side rendering to inject the data into the HTML template. A template engine can contain multiple variables, these variable is then replaced with the value sent from the server, these values taking the place…
Master JavaScript variables with clear examples. Discover the key differences between var, let, and const and learn best practices. Start mastering variables now!
Explore the JavaScript Scope Guide and discover how block, function, local and global scope work. Learn key concepts and improve our coding skills today.
A JS object is a collection of key-value pairs that lets you store and work with related data under a single variable. If you write JavaScript for more than a few hours, you run into objects constantly: from DOM nodes…
