Get HTTP version of incoming request
<p>How can I extract the HTTP version of an incoming request using express?</p>

<p>I need something like:</p>

<pre><code>app.use('/', (req, res, next) =&gt; {
    req.getHttpVersion() // 'HTTP 1.0'/'HTTP 1.1'/'HTTP 2.0'
});
</code></pre>