In this tutorial you will learn how to create buffers in NodeJS. But before learning this it is important to learn some related terms. What is unicode representation? Unicode is a standard to encode the text and each character is assigned a unique numeric value in this standard. Then this standard value remains the same …
Nodes in Node JS emit many events regularly with the help of event emitter. For instance, whenever a peer user connects with net.Server, it emits an event. Similarly, fs.readStream emits an event upon file opening. All the event emitting objects are instances of events.EventEmitter. In the previous articles, we are learning about callbacks and events. …
We learned the callback concept of Node JS in the previous tutorial. This article is in the continuation of the previous and relates events with the event loop, so if you have not gone through the callback concept, it is recommended to grip on the concept first. How Node JS event work with callback? Node …
What is callback in Node JS? The callback function is called after the completion of a specific task. During the Node JS development, a developer makes heavy use of the Callback function in NodeJS. Asynchronous behavior of NodeJS allows executing the code without waiting for the database query, any I/O operation within the function, etc. …
In this article, you will learn about the NodeJS Package Manager. Node JS is based on Javascript and its main worth is due to the large number of packages bundled in it. To manage all these packages, a separate service help NPM helps to perform the following two main functionalities. Functionalities of NPM in Node …
Read Eval Print Loop (REPL) is a terminal in Node JS that provides an environment to perform operations. We will discuss these operations in the next section. Like Windows and Linux operating systems provides interactive shells and terminals to run commands. These commands are processed by the terminal and the terminal generates output. Similar is …
In the previous tutorial, we covered the basic concepts and introduction to Node JS and environment setup. In this article, you will learn how to create a Node JS application (which outputs “Hello World“) and run it in the browser. Before starting creating our first Node JS app, go through the components of the JS …
Node.js is a high-performance JavaScript runtime based on Chrome’s V8 JavaScript engine. It was initially published in 2009 and has since become one of the most popular platforms for developing server-side applications. We will introduce you to Node.js and highlight why it is worth considering for your next project in this post. What is Node.js? …