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<h1>Usage<span><a class="mark" href="#synopsis_usage" id="synopsis_usage">#</a></span></h1>
<!--type=misc-->
<p><code>node [options] [v8 options] [script.js | -e "script"] [arguments]</code></p>
<p>Please see the <a href="cli.html#cli_command_line_options">Command Line Options</a> document for information about
different options and ways to run scripts with Node.</p>
<h2>Example<span><a class="mark" href="#synopsis_example" id="synopsis_example">#</a></span></h2>
<p>An example of a <a href="http.html">web server</a> written with Node.js which responds with
<code>'Hello World'</code>:</p>
<pre><code class="lang-js">const http = require('http');
const hostname = '127.0.0.1';
const port = 3000;
const server = http.createServer((req, res) => {
res.statusCode = 200;
res.setHeader('Content-Type', 'text/plain');
res.end('Hello World\n');
});
server.listen(port, hostname, () => {
console.log(`Server running at http://${hostname}:${port}/`);
});
</code></pre>
<p>To run the server, put the code into a file called <code>example.js</code> and execute
it with Node.js:</p>
<pre><code>$ node example.js
Server running at http://127.0.0.1:3000/
</code></pre><p>All of the examples in the documentation can be run similarly.</p>
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