chore(learn): small update (#6132)

* chore(learn): small update

* update grammar

* add référence to Learn section

* update about to have same code as learn

* update from feedback

* rewrite: "Restart the application automatically"

* Update pages/en/learn/command-line/how-to-read-environment-variables-from-nodejs.md

Co-authored-by: Brian Muenzenmeyer <[email protected]>
Signed-off-by: Augustin Mauroy <[email protected]>

* Update pages/en/learn/command-line/output-to-the-command-line-using-nodejs.md

Co-authored-by: Brian Muenzenmeyer <[email protected]>
Signed-off-by: Augustin Mauroy <[email protected]>

* Update run-nodejs-scripts-from-the-command-line.md

* Update pages/en/learn/command-line/run-nodejs-scripts-from-the-command-line.md

Signed-off-by: Brian Muenzenmeyer <[email protected]>

---------

Signed-off-by: Augustin Mauroy <[email protected]>
Signed-off-by: Brian Muenzenmeyer <[email protected]>
Co-authored-by: Brian Muenzenmeyer <[email protected]>

Author: AugustinMauroy

pages/en/about/index.md

@@ -11,7 +11,7 @@ connections can be handled concurrently. Upon each connection, the callback is
 fired, but if there is no work to be done, Node.js will sleep.
 
 ```js
-const http = require('http');
+const http = require('node:http');
 
 const hostname = '127.0.0.1';
 const port = 3000;

pages/en/get-involved/index.md

@@ -18,7 +18,8 @@ layout: contribute.hbs
 
 ## Learning
 
-- [Official API reference documentation](https://nodejs.org/api/) details the Node.js API.
+- [Official Learn section](https://nodejs.org/en/learn/) of the Node.js website.
+- [Official API reference documentation](https://nodejs.org/api/).
 - [NodeSchool.io](https://nodeschool.io/) will teach you Node.js concepts via interactive command-line games.
 - [Stack Overflow Node.js tag](https://stackoverflow.com/questions/tagged/node.js) collects new information every day.
 - [The DEV Community Node.js tag](https://dev.to/t/node) is a place to share Node.js projects, articles and tutorials as well as start discussions and ask for feedback on Node.js-related topics. Developers of all skill-levels are welcome to take part.

pages/en/learn/asynchronous-work/javascript-asynchronous-programming-and-callbacks.md

@@ -93,7 +93,7 @@ How do you handle errors with callbacks? One very common strategy is to use what
 If there is no error, the object is `null`. If there is an error, it contains some description of the error and other information.
 
 ```js
-const fs = require('fs');
+const fs = require('node:fs');
 
 fs.readFile('/file.json', (err, data) => {
   if (err) {

pages/en/learn/asynchronous-work/overview-of-blocking-vs-non-blocking.md

@@ -40,15 +40,15 @@ execute **asynchronously**.
 Using the File System module as an example, this is a **synchronous** file read:
 
 ```js
-const fs = require('fs');
+const fs = require('node:fs');
 
 const data = fs.readFileSync('/file.md'); // blocks here until file is read
 ```
 
 And here is an equivalent **asynchronous** example:
 
 ```js
-const fs = require('fs');
+const fs = require('node:fs');
 
 fs.readFile('/file.md', (err, data) => {
   if (err) throw err;
@@ -65,7 +65,7 @@ shown.
 Let's expand our example a little bit:
 
 ```js
-const fs = require('fs');
+const fs = require('node:fs');
 
 const data = fs.readFileSync('/file.md'); // blocks here until file is read
 console.log(data);
@@ -75,7 +75,7 @@ moreWork(); // will run after console.log
 And here is a similar, but not equivalent asynchronous example:
 
 ```js
-const fs = require('fs');
+const fs = require('node:fs');
 
 fs.readFile('/file.md', (err, data) => {
   if (err) throw err;
@@ -114,7 +114,7 @@ There are some patterns that should be avoided when dealing with I/O. Let's look
 at an example:
 
 ```js
-const fs = require('fs');
+const fs = require('node:fs');
 
 fs.readFile('/file.md', (err, data) => {
   if (err) throw err;
@@ -129,7 +129,7 @@ better way to write this, which is completely **non-blocking** and guaranteed to
 execute in the correct order is:
 
 ```js
-const fs = require('fs');
+const fs = require('node:fs');
 
 fs.readFile('/file.md', (readFileErr, data) => {
   if (readFileErr) throw readFileErr;

pages/en/learn/asynchronous-work/the-nodejs-event-emitter.md

@@ -15,7 +15,7 @@ This module, in particular, offers the `EventEmitter` class, which we'll use to
 You initialize that using
 
 ```js
-const EventEmitter = require('events');
+const EventEmitter = require('node:events');
 
 const eventEmitter = new EventEmitter();
 ```

pages/en/learn/asynchronous-work/understanding-processnexttick.md

@@ -47,6 +47,6 @@ process.nextTick(() => {
 ```bash
 Hello => number 1
 Running at next tick => number 2
-Running before the timeout => number 3
 The timeout running last => number 4
+Running before the timeout => number 3
 ```

pages/en/learn/command-line/accept-input-from-the-command-line-in-nodejs.md

@@ -11,7 +11,7 @@ How to make a Node.js CLI program interactive?
 Node.js since version 7 provides the [`readline` module](https://nodejs.org/api/readline.html) to perform exactly this: get input from a readable stream such as the `process.stdin` stream, which during the execution of a Node.js program is the terminal input, one line at a time.
 
 ```js
-const readline = require('readline').createInterface({
+const readline = require('node:readline').createInterface({
   input: process.stdin,
   output: process.stdout,
 });

pages/en/learn/command-line/how-to-read-environment-variables-from-nodejs.md

@@ -47,3 +47,5 @@ process.env.NODE_ENV; // "development"
 ```
 
 > You can also run your js file with `node -r dotenv/config index.js` command if you don't want to import the package in your code.
+
+> Note: Node.js 20 introduced **experimental** [support for .env files](https://nodejs.org/dist/latest-v20.x/docs/api/cli.html#--env-fileconfig).

pages/en/learn/command-line/how-to-use-the-nodejs-repl.md

@@ -113,7 +113,7 @@ If you type `.break` at the end of a line, the multiline mode will stop and the
 We can import the REPL in a JavaScript file using `repl`.
 
 ```js
-const repl = require('repl');
+const repl = require('node:repl');
 ```
 
 Using the repl variable we can perform various operations.

pages/en/learn/command-line/output-to-the-command-line-using-nodejs.md

@@ -80,6 +80,7 @@ You can just count apples and oranges:
 ```js
 const oranges = ['orange', 'orange'];
 const apples = ['just one apple'];
+
 oranges.forEach(fruit => {
   console.count(fruit);
 });
@@ -97,6 +98,7 @@ We will use the apples and orange example to demonstrate this.
 ```js
 const oranges = ['orange', 'orange'];
 const apples = ['just one apple'];
+
 oranges.forEach(fruit => {
   console.count(fruit);
 });
@@ -178,7 +180,7 @@ You can try that in the Node.js REPL, and it will print `hi!` in yellow.
 
 However, this is the low-level way to do this. The simplest way to go about coloring the console output is by using a library. [Chalk](https://github.com/chalk/chalk) is such a library, and in addition to coloring it also helps with other styling facilities, like making text bold, italic or underlined.
 
-You install it with `npm install chalk@4`, then you can use it:
+You install it with `npm install chalk`, then you can use it:
 
 ```js
 const chalk = require('chalk');