What is Node.js and how it works (explained in 2 minutes)

Summary

Key Points

• —Node.js is a runtime environment that allows JavaScript programs to be executed outside of a web browser. 0:28
• —It utilizes the V8 engine, the core of Google Chrome, to run JavaScript code. 0:33
• —Node.js is popular among front-end developers as it allows them to use their existing JavaScript knowledge for server-side development. 0:38
• —Using NPM packages saves developers time and effort by allowing them to integrate features like calendars, charts, or tables without writing all the code from scratch. 0:57
• —Node.js provides access to NPM (Node Package Manager), which offers a vast collection of pre-written code modules for various functionalities. 1:05
• —Popular Node.js frameworks include Express.js and Nest.js. 1:27
• —Node.js is widely used in South Korea as a server backbone due to its ability to handle thousands of requests on a single process. 1:39
• —The video demonstrates how Node.js will be used to build a server for a blog project, handling requests to save posts and fetch data for visitors. 1:53