title: Importing in Node.js: error "Must use import to load ES Module"
body: <p>I'm trying to import <code>myArr</code> from <strong>hello.js</strong> into <strong>index.js</strong>. However I get an error of</p>
  <pre class="lang-none prettyprint-override"><code>Error [ERR_REQUIRE_ESM]: Must use import to load ES Module
  </code></pre>
  <p>File <strong>hello.js</strong></p>
  <pre><code>export let myArr = ['hello', 'hi', 'hey'];
  </code></pre>
  <p>File <strong>index.js</strong></p>
  <pre><code>import { myArr } from './hello.js';
  console.log(myArr);
  </code></pre>
  <p>Where am I going wrong?</p>