Author: S J

This topic is about Node.js - RESTful API. What is REST architecture? REST stands for REpresentational State Transfer. REST is web standards based architecture and uses HTTP Protocol. It revolves…

This Topic is about Node.js - Express Framework. Express Overview Express is a minimal and flexible Node.js web application framework that provides a robust set of features to develop web…

This topic is about Node.js - Web Module. What is a Web Server? A Web Server is a software application which handles HTTP requests sent by the HTTP client, like…

Node.js global objects are global in nature and they are available in all modules. We do not need to include these objects in our application, rather we can use them…

This topic is about Node.js - File System. Node implements File I/O using simple wrappers around standard POSIX functions. The Node File System (fs) module can be imported using the…

This topic is about Node.js - Streams. What are Streams? Streams are objects that let you read data from a source or write data to a destination in continuous fashion.…

This chapter is about Node.js - Buffers. Pure JavaScript is Unicode friendly, but it is not so for binary data. While dealing with TCP streams or the file system, it's…

This topic is about Node.js - Event Emitter. Many objects in a Node emit events, for example, a net.Server emits an event each time a peer connects to it, an…

This chapter is aboout Node.js Event Loop. Node.js is a single-threaded application, but it can support concurrency via the concept of event and callbacks. Every API of Node.js is asynchronous and being single-threaded,…

This topic is about Node.js - Callbacks Concept. What is Callback? Callback is an asynchronous equivalent for a function. A callback function is called at the completion of a given…