What is node.js?

• Node.js® is a JavaScript runtime built on Chrome’s V8 JavaScript engine.

  In your own words, what is Chrome’s V8 JavaScript Engine?

• Chrome V8 is a JavaScript engine, which means that it executes JavaScript code. Originally, JavaScript was written to be executed by web browsers. … V8 translates JavaScript code directly into machine code* so that computers can actually understand it, then it executes the translated, or compiled, code.

What does it mean that node is a JavaScript runtime?

Node. js is a JavaScript runtime environment that chieves low latency and high throughput by taking a “non-blocking” approach to serving requests. In other words, Node. js wastes no time or resources on waiting for I/O requests to return.

What is npm?

• npm is the world’s largest Software Library (Registry)

npm is also a software Package Manager and Installer

What version of node are you running on your machine?

• v12.21.0 (Found by typing node -v inside the terminal)

  What version of npm are you running on your machine?

• 7.13.0 (Found by typing npm -v inside the terminal)

What command would you type to install a library/package called ‘jshint’?

• packageManager specifies that yarn is used to manage node packages instead of npm . … To check if jshint is loaded successfully, I opened Command pallet ( CTRL + 3 ) and … and open. write “npm install -g jshint” exit vs code then RE-open Vs-code.
• npm install -g jshint

What is node used for?

• Node. js is primarily used for non-blocking, event-driven servers, due to its single-threaded nature. It’s used for traditional web sites nd back-end API services, but was designed with real-time, push- based architectures in mind.