ollowing variables may appear
to be global but are not. They exist only in the scope of modules, see the
<a href="modules.html">module system documentation</a>:</p>
<ul>
<li><a href="modules.html#modules_dirname"><code>__dirname</code></a></li>
<li><a href="modules.html#modules_filename"><code>__filename</code></a></li>
<li><a href="modules.html#modules_exports"><code>exports</code></a></li>
<li><a href="modules.html#modules_module"><code>module</code></a></li>
<li><a href="modules.html#modules_require_id">