<p dir="auto">I'd like to create class Node in ES6 syntax. But IntelliSense underlined class Node with red and wrote a message <strong>Duplicate identifier 'Node'.</strong></p>
<p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://cloud.githubusercontent.com/assets/3235047/12568893/a57547e2-c37e-11e5-8d59-f07a04213e36.png"><img src="https://cloud.githubusercontent.com/assets/3235047/12568893/a57547e2-c37e-11e5-8d59-f07a04213e36.png" alt="image" style="max-width: 100%;"></a></p>
<ul dir="auto">
<li>enable salsa</li>
<li>write a function like <code class="notranslate">function() {</code></li>
<li>hint enter: <g-emoji class="g-emoji" alias="skull" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f480.png">💀</g-emoji> indentation is off</li>
</ul>