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Diffstat (limited to 'doc')
-rw-r--r-- | doc/api/synopsis.md | 76 |
1 files changed, 68 insertions, 8 deletions
diff --git a/doc/api/synopsis.md b/doc/api/synopsis.md index ada2437387b..508dde1ff48 100644 --- a/doc/api/synopsis.md +++ b/doc/api/synopsis.md @@ -9,9 +9,58 @@ Please see the [Command Line Options][] document for information about different options and ways to run scripts with Node.js. ## Example - An example of a [web server][] written with Node.js which responds with -`'Hello World'`: +`'Hello World!'`: + +Commands displayed in this document are shown starting with `$` or `>` +to replicate how they would appear in a user's terminal. +Do not include the `$` and `>` character they are there to +indicate the start of each command. + +There are many tutorials and examples that follow this +convention: `$` or `>` for commands run as a regular user, and `#` +for commands that should be executed as an administrator. + +Lines that don’t start with `$` or `>` character are typically showing +the output of the previous command. + +Firstly, make sure to have downloaded and installed Node.js. +See [this guide][] for further install information. + +Now, create an empty project folder called `projects`, navigate into it: +Project folder can be named base on user's current project title but +this example will use `projects` as the project folder. + +Linux and Mac: + +```console +$ mkdir ~/projects +$ cd ~/projects +``` + +Windows CMD: + +```console +> mkdir %USERPROFILE%\projects +> cd %USERPROFILE%\projects +``` + +Windows PowerShell: + +```console +> mkdir $env:USERPROFILE\projects +> cd $env:USERPROFILE\projects +``` + +Next, create a new source file in the `projects` + folder and call it `hello-world.js`. + +In Node.js it is considered good style to use +hyphens (`-`) or underscores (`_`) to separate + multiple words in filenames. + +Open `hello-world.js` in any preferred text editor and +paste in the following content. ```js const http = require('http'); @@ -22,7 +71,7 @@ const port = 3000; const server = http.createServer((req, res) => { res.statusCode = 200; res.setHeader('Content-Type', 'text/plain'); - res.end('Hello World\n'); + res.end('Hello World!\n'); }); server.listen(port, hostname, () => { @@ -30,15 +79,26 @@ server.listen(port, hostname, () => { }); ``` -To run the server, put the code into a file called `example.js` and execute -it with Node.js: +Save the file, go back to the terminal window enter the following command: -```txt -$ node example.js -Server running at http://127.0.0.1:3000/ +```console +$ node hello-world.js ``` +An output like this should appear in the terminal to indicate Node.js +server is running: + + ```console + Server running at http://127.0.0.1:3000/ + ```` + +Now, open any preferred web browser and visit `http://127.0.0.1:3000`. + +If the browser displays the string `Hello, world!`, that indicates +the server is working. + Many of the examples in the documentation can be run similarly. [Command Line Options]: cli.html#cli_command_line_options [web server]: http.html +[this guide]: https://nodejs.org/en/download/package-manager/ |