package.yash => README.md

[webi-installers/.git] / node / README.md

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+---
+title: Node.js
+homepage: https://nodejs.org
+tagline: |
+  Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine.
+description: |
+  Node is great for simple, snappy HTTP(S) servers, and for stitching APIs together with minimal fuss or muss.
+---
+
+Hello World
+
+```bash
+node -e 'console.log("Hello, World!")'
+> Hello, World!
+```
+
+A Simple Web Server
+
+`server.js`:
+
+```bash
+var http = require('http');
+var app = function (req, res) {
+  res.end('Hello, World!');
+};
+http.createServer(app).listen(8080, function () {
+  console.info('Listening on', this.address());
+});
+```
+
+```bash
+node server.js
+```
+
+An Express App
+
+```bash
+mkdir my-server
+pushd my-server
+npm init
+npm install --save express
+```
+
+`app.js`:
+
+```js
+'use strict';
+
+var express = require('express');
+var app = express();
+
+app.use('/', function (req, res, next) {
+  res.end("Hello, World!");
+});
+
+module.exports = app;</code></pre>
+```
+
+`server.js`:
+
+```js
+'use strict';
+
+var http = require('http');
+var app = require('./app.js');
+
+http.createServer(app).listen(8080, function () {
+  console.info('Listening on', this.address());
+});
+```
+
+```bash
+npm start
+```