In order to execute the JavaScript you intend to run in the backend, it needs to be interpreted and, well, executed. - This is what node.js does. Plus, it ships with a lot of - useful modules, so you don't have to write everything - from scratch, like for example something that outputs a - string on the console. + This is what node.js does, by making use of Google's V8 VM, the + same runtime environment for JavaScript that used in Google + Chrome.
- Thus, node.js is really two things: a runtime - environment and a library. + Plus, node.js ships with a lot of useful modules, so you don't + have to write everything from scratch, like for example + something that outputs a string on the console.
- In order to make use of them, you need to install node. + Thus, node.js is really two things: a runtime environment and a + library. +
++ In order to make use of these, you need to install node. Instead of repeating the process here, I kindly ask you to visit