code sau:
        </p>
        <pre class="prettyprint lang-js"><span class="kwd">var</span><span class="pln"> http </span><span
                class="pun">=</span><span class="pln"> require</span><span class="pun">(</span><span
                class="str">"http"</span><span class="pun">);</span><span class="pln"><br><br>http</span><span
                class="pun">.</span><span class="pln">createServer</span><span class="pun">(</span><span class="kwd">function</span><span
                class="pun">(</sp